cxgb4: introduce SMT ops to prepare for SMAC rewrite support
Introduce SMT operations for allocating/removing entries from SMAC table. Make TCAM filters use the SMT ops whenever SMAC rewrite is required. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
27ece1f357
commit
3bdb376e69
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@ -4,7 +4,7 @@
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obj-$(CONFIG_CHELSIO_T4) += cxgb4.o
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cxgb4-objs := cxgb4_main.o l2t.o t4_hw.o sge.o clip_tbl.o cxgb4_ethtool.o \
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cxgb4-objs := cxgb4_main.o l2t.o smt.o t4_hw.o sge.o clip_tbl.o cxgb4_ethtool.o \
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cxgb4_uld.o sched.o cxgb4_filter.o cxgb4_tc_u32.o \
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cxgb4_ptp.o cxgb4_tc_flower.o cxgb4_cudbg.o \
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cudbg_common.o cudbg_lib.o
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@ -858,6 +858,7 @@ struct adapter {
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unsigned int clipt_start;
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unsigned int clipt_end;
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struct clip_tbl *clipt;
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struct smt_data *smt;
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struct cxgb4_uld_info *uld;
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void *uld_handle[CXGB4_ULD_MAX];
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unsigned int num_uld;
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@ -1098,9 +1099,9 @@ struct filter_entry {
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u32 locked:1; /* filter is administratively locked */
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u32 pending:1; /* filter action is pending firmware reply */
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u32 smtidx:8; /* Source MAC Table index for smac */
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struct filter_ctx *ctx; /* Caller's completion hook */
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struct l2t_entry *l2t; /* Layer Two Table entry for dmac */
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struct smt_entry *smt; /* Source Mac Table entry for smac */
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struct net_device *dev; /* Associated net device */
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u32 tid; /* This will store the actual tid */
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@ -34,7 +34,9 @@
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#include "cxgb4.h"
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#include "t4_regs.h"
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#include "t4_tcb.h"
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#include "l2t.h"
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#include "smt.h"
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#include "t4fw_api.h"
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#include "cxgb4_filter.h"
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@ -332,6 +334,21 @@ int set_filter_wr(struct adapter *adapter, int fidx)
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}
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}
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/* If the new filter requires loopback Source MAC rewriting then
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* we need to allocate a SMT entry for the filter.
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*/
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if (f->fs.newsmac) {
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f->smt = cxgb4_smt_alloc_switching(f->dev, f->fs.smac);
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if (!f->smt) {
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if (f->l2t) {
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cxgb4_l2t_release(f->l2t);
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f->l2t = NULL;
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}
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kfree_skb(skb);
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return -ENOMEM;
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}
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}
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fwr = __skb_put_zero(skb, sizeof(*fwr));
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/* It would be nice to put most of the following in t4_hw.c but most
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@ -357,7 +374,6 @@ int set_filter_wr(struct adapter *adapter, int fidx)
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FW_FILTER_WR_DIRSTEERHASH_V(f->fs.dirsteerhash) |
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FW_FILTER_WR_LPBK_V(f->fs.action == FILTER_SWITCH) |
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FW_FILTER_WR_DMAC_V(f->fs.newdmac) |
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FW_FILTER_WR_SMAC_V(f->fs.newsmac) |
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FW_FILTER_WR_INSVLAN_V(f->fs.newvlan == VLAN_INSERT ||
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f->fs.newvlan == VLAN_REWRITE) |
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FW_FILTER_WR_RMVLAN_V(f->fs.newvlan == VLAN_REMOVE ||
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@ -404,8 +420,6 @@ int set_filter_wr(struct adapter *adapter, int fidx)
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fwr->lpm = htons(f->fs.mask.lport);
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fwr->fp = htons(f->fs.val.fport);
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fwr->fpm = htons(f->fs.mask.fport);
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if (f->fs.newsmac)
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memcpy(fwr->sma, f->fs.smac, sizeof(fwr->sma));
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/* Mark the filter as "pending" and ship off the Filter Work Request.
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* When we get the Work Request Reply we'll clear the pending status.
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@ -463,6 +477,9 @@ void clear_filter(struct adapter *adap, struct filter_entry *f)
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if (f->l2t)
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cxgb4_l2t_release(f->l2t);
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if (f->smt)
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cxgb4_smt_release(f->smt);
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/* The zeroing of the filter rule below clears the filter valid,
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* pending, locked flags, l2t pointer, etc. so it's all we need for
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* this operation.
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@ -757,6 +774,62 @@ out:
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return ret;
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}
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static int set_tcb_field(struct adapter *adap, struct filter_entry *f,
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unsigned int ftid, u16 word, u64 mask, u64 val,
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int no_reply)
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{
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struct cpl_set_tcb_field *req;
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struct sk_buff *skb;
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skb = alloc_skb(sizeof(struct cpl_set_tcb_field), GFP_ATOMIC);
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if (!skb)
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return -ENOMEM;
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req = (struct cpl_set_tcb_field *)__skb_put(skb, sizeof(*req));
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memset(req, 0, sizeof(*req));
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INIT_TP_WR_CPL(req, CPL_SET_TCB_FIELD, ftid);
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req->reply_ctrl = htons(REPLY_CHAN_V(0) |
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QUEUENO_V(adap->sge.fw_evtq.abs_id) |
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NO_REPLY_V(no_reply));
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req->word_cookie = htons(TCB_WORD_V(word) | TCB_COOKIE_V(ftid));
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req->mask = cpu_to_be64(mask);
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req->val = cpu_to_be64(val);
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set_wr_txq(skb, CPL_PRIORITY_CONTROL, f->fs.val.iport & 0x3);
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t4_ofld_send(adap, skb);
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return 0;
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}
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/* Set one of the t_flags bits in the TCB.
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*/
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static int set_tcb_tflag(struct adapter *adap, struct filter_entry *f,
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unsigned int ftid, unsigned int bit_pos,
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unsigned int val, int no_reply)
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{
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return set_tcb_field(adap, f, ftid, TCB_T_FLAGS_W, 1ULL << bit_pos,
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(unsigned long long)val << bit_pos, no_reply);
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}
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static int configure_filter_smac(struct adapter *adap, struct filter_entry *f)
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{
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int err;
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/* do a set-tcb for smac-sel and CWR bit.. */
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err = set_tcb_tflag(adap, f, f->tid, TF_CCTRL_CWR_S, 1, 1);
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if (err)
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goto smac_err;
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err = set_tcb_field(adap, f, f->tid, TCB_SMAC_SEL_W,
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TCB_SMAC_SEL_V(TCB_SMAC_SEL_M),
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TCB_SMAC_SEL_V(f->smt->idx), 1);
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if (!err)
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return 0;
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smac_err:
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dev_err(adap->pdev_dev, "filter %u smac config failed with error %u\n",
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f->tid, err);
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return err;
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}
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/* Handle a filter write/deletion reply. */
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void filter_rpl(struct adapter *adap, const struct cpl_set_tcb_rpl *rpl)
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{
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clear_filter(adap, f);
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if (ctx)
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ctx->result = 0;
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} else if (ret == FW_FILTER_WR_SMT_TBL_FULL) {
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dev_err(adap->pdev_dev, "filter %u setup failed due to full SMT\n",
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idx);
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clear_filter(adap, f);
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if (ctx)
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ctx->result = -ENOMEM;
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} else if (ret == FW_FILTER_WR_FLT_ADDED) {
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f->smtidx = (be64_to_cpu(rpl->oldval) >> 24) & 0xff;
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f->pending = 0; /* asynchronous setup completed */
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f->valid = 1;
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if (ctx) {
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ctx->result = 0;
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ctx->tid = idx;
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int err = 0;
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if (f->fs.newsmac)
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err = configure_filter_smac(adap, f);
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if (!err) {
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f->pending = 0; /* async setup completed */
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f->valid = 1;
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if (ctx) {
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ctx->result = 0;
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ctx->tid = idx;
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}
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} else {
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clear_filter(adap, f);
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if (ctx)
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ctx->result = err;
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}
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} else {
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/* Something went wrong. Issue a warning about the
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@ -77,6 +77,7 @@
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#include "cxgb4_debugfs.h"
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#include "clip_tbl.h"
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#include "l2t.h"
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#include "smt.h"
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#include "sched.h"
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#include "cxgb4_tc_u32.h"
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#include "cxgb4_tc_flower.h"
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@ -563,6 +564,10 @@ static int fwevtq_handler(struct sge_rspq *q, const __be64 *rsp,
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const struct cpl_l2t_write_rpl *p = (void *)rsp;
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do_l2t_write_rpl(q->adap, p);
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} else if (opcode == CPL_SMT_WRITE_RPL) {
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const struct cpl_smt_write_rpl *p = (void *)rsp;
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do_smt_write_rpl(q->adap, p);
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} else if (opcode == CPL_SET_TCB_RPL) {
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const struct cpl_set_tcb_rpl *p = (void *)rsp;
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@ -4641,6 +4646,7 @@ static void free_some_resources(struct adapter *adapter)
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{
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unsigned int i;
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kvfree(adapter->smt);
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kvfree(adapter->l2t);
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t4_cleanup_sched(adapter);
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kvfree(adapter->tids.tid_tab);
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@ -5067,6 +5073,12 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
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*/
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cfg_queues(adapter);
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adapter->smt = t4_init_smt();
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if (!adapter->smt) {
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/* We tolerate a lack of SMT, giving up some functionality */
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dev_warn(&pdev->dev, "could not allocate SMT, continuing\n");
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}
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adapter->l2t = t4_init_l2t(adapter->l2t_start, adapter->l2t_end);
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if (!adapter->l2t) {
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/* We tolerate a lack of L2T, giving up some functionality */
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@ -0,0 +1,247 @@
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/*
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* This file is part of the Chelsio T4/T5/T6 Ethernet driver for Linux.
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*
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* Copyright (c) 2017 Chelsio Communications, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "cxgb4.h"
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#include "smt.h"
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#include "t4_msg.h"
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#include "t4fw_api.h"
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#include "t4_regs.h"
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#include "t4_values.h"
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struct smt_data *t4_init_smt(void)
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{
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unsigned int smt_size;
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struct smt_data *s;
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int i;
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smt_size = SMT_SIZE;
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s = kvzalloc(sizeof(*s) + smt_size * sizeof(struct smt_entry),
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GFP_KERNEL);
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if (!s)
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return NULL;
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s->smt_size = smt_size;
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rwlock_init(&s->lock);
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for (i = 0; i < s->smt_size; ++i) {
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s->smtab[i].idx = i;
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s->smtab[i].state = SMT_STATE_UNUSED;
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memset(&s->smtab[i].src_mac, 0, ETH_ALEN);
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spin_lock_init(&s->smtab[i].lock);
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atomic_set(&s->smtab[i].refcnt, 0);
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}
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return s;
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}
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static struct smt_entry *find_or_alloc_smte(struct smt_data *s, u8 *smac)
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{
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struct smt_entry *first_free = NULL;
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struct smt_entry *e, *end;
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for (e = &s->smtab[0], end = &s->smtab[s->smt_size]; e != end; ++e) {
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if (atomic_read(&e->refcnt) == 0) {
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if (!first_free)
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first_free = e;
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} else {
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if (e->state == SMT_STATE_SWITCHING) {
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/* This entry is actually in use. See if we can
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* re-use it ?
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*/
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if (memcmp(e->src_mac, smac, ETH_ALEN) == 0)
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goto found_reuse;
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}
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}
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}
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if (first_free) {
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e = first_free;
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goto found;
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}
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return NULL;
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found:
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e->state = SMT_STATE_UNUSED;
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found_reuse:
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return e;
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}
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static void t4_smte_free(struct smt_entry *e)
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{
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spin_lock_bh(&e->lock);
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if (atomic_read(&e->refcnt) == 0) { /* hasn't been recycled */
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e->state = SMT_STATE_UNUSED;
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}
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spin_unlock_bh(&e->lock);
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}
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/**
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* @e: smt entry to release
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*
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* Releases ref count and frees up an smt entry from SMT table
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*/
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void cxgb4_smt_release(struct smt_entry *e)
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{
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if (atomic_dec_and_test(&e->refcnt))
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t4_smte_free(e);
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}
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EXPORT_SYMBOL(cxgb4_smt_release);
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void do_smt_write_rpl(struct adapter *adap, const struct cpl_smt_write_rpl *rpl)
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{
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unsigned int smtidx = TID_TID_G(GET_TID(rpl));
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struct smt_data *s = adap->smt;
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if (unlikely(rpl->status != CPL_ERR_NONE)) {
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struct smt_entry *e = &s->smtab[smtidx];
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dev_err(adap->pdev_dev,
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"Unexpected SMT_WRITE_RPL status %u for entry %u\n",
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rpl->status, smtidx);
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spin_lock(&e->lock);
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e->state = SMT_STATE_ERROR;
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spin_unlock(&e->lock);
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return;
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}
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}
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static int write_smt_entry(struct adapter *adapter, struct smt_entry *e)
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{
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struct cpl_t6_smt_write_req *t6req;
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struct smt_data *s = adapter->smt;
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struct cpl_smt_write_req *req;
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struct sk_buff *skb;
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int size;
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u8 row;
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if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5) {
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size = sizeof(*req);
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skb = alloc_skb(size, GFP_ATOMIC);
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if (!skb)
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return -ENOMEM;
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/* Source MAC Table (SMT) contains 256 SMAC entries
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* organized in 128 rows of 2 entries each.
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*/
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req = (struct cpl_smt_write_req *)__skb_put(skb, size);
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INIT_TP_WR(req, 0);
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/* Each row contains an SMAC pair.
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* LSB selects the SMAC entry within a row
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*/
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row = (e->idx >> 1);
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if (e->idx & 1) {
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req->pfvf1 = 0x0;
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memcpy(req->src_mac1, e->src_mac, ETH_ALEN);
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/* fill pfvf0/src_mac0 with entry
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* at prev index from smt-tab.
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*/
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req->pfvf0 = 0x0;
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memcpy(req->src_mac0, s->smtab[e->idx - 1].src_mac,
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ETH_ALEN);
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} else {
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req->pfvf0 = 0x0;
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memcpy(req->src_mac0, e->src_mac, ETH_ALEN);
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/* fill pfvf1/src_mac1 with entry
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* at next index from smt-tab
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*/
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req->pfvf1 = 0x0;
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memcpy(req->src_mac1, s->smtab[e->idx + 1].src_mac,
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ETH_ALEN);
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}
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} else {
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size = sizeof(*t6req);
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skb = alloc_skb(size, GFP_ATOMIC);
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if (!skb)
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return -ENOMEM;
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/* Source MAC Table (SMT) contains 256 SMAC entries */
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t6req = (struct cpl_t6_smt_write_req *)__skb_put(skb, size);
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INIT_TP_WR(t6req, 0);
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req = (struct cpl_smt_write_req *)t6req;
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|
||||
/* fill pfvf0/src_mac0 from smt-tab */
|
||||
req->pfvf0 = 0x0;
|
||||
memcpy(req->src_mac0, s->smtab[e->idx].src_mac, ETH_ALEN);
|
||||
row = e->idx;
|
||||
}
|
||||
|
||||
OPCODE_TID(req) =
|
||||
htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, e->idx |
|
||||
TID_QID_V(adapter->sge.fw_evtq.abs_id)));
|
||||
req->params = htonl(SMTW_NORPL_V(0) |
|
||||
SMTW_IDX_V(row) |
|
||||
SMTW_OVLAN_IDX_V(0));
|
||||
t4_mgmt_tx(adapter, skb);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct smt_entry *t4_smt_alloc_switching(struct adapter *adap, u16 pfvf,
|
||||
u8 *smac)
|
||||
{
|
||||
struct smt_data *s = adap->smt;
|
||||
struct smt_entry *e;
|
||||
|
||||
write_lock_bh(&s->lock);
|
||||
e = find_or_alloc_smte(s, smac);
|
||||
if (e) {
|
||||
spin_lock(&e->lock);
|
||||
if (!atomic_read(&e->refcnt)) {
|
||||
atomic_set(&e->refcnt, 1);
|
||||
e->state = SMT_STATE_SWITCHING;
|
||||
e->pfvf = pfvf;
|
||||
memcpy(e->src_mac, smac, ETH_ALEN);
|
||||
write_smt_entry(adap, e);
|
||||
} else {
|
||||
atomic_inc(&e->refcnt);
|
||||
}
|
||||
spin_unlock(&e->lock);
|
||||
}
|
||||
write_unlock_bh(&s->lock);
|
||||
return e;
|
||||
}
|
||||
|
||||
/**
|
||||
* @dev: net_device pointer
|
||||
* @smac: MAC address to add to SMT
|
||||
* Returns pointer to the SMT entry created
|
||||
*
|
||||
* Allocates an SMT entry to be used by switching rule of a filter.
|
||||
*/
|
||||
struct smt_entry *cxgb4_smt_alloc_switching(struct net_device *dev, u8 *smac)
|
||||
{
|
||||
struct adapter *adap = netdev2adap(dev);
|
||||
|
||||
return t4_smt_alloc_switching(adap, 0x0, smac);
|
||||
}
|
||||
EXPORT_SYMBOL(cxgb4_smt_alloc_switching);
|
|
@ -0,0 +1,76 @@
|
|||
/*
|
||||
* This file is part of the Chelsio T4/T5/T6 Ethernet driver for Linux.
|
||||
*
|
||||
* Copyright (c) 2017 Chelsio Communications, Inc. All rights reserved.
|
||||
*
|
||||
* This software is available to you under a choice of one of two
|
||||
* licenses. You may choose to be licensed under the terms of the GNU
|
||||
* General Public License (GPL) Version 2, available from the file
|
||||
* COPYING in the main directory of this source tree, or the
|
||||
* OpenIB.org BSD license below:
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or
|
||||
* without modification, are permitted provided that the following
|
||||
* conditions are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer.
|
||||
*
|
||||
* - Redistributions in binary form must reproduce the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials
|
||||
* provided with the distribution.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
||||
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*/
|
||||
|
||||
#ifndef __CXGB4_SMT_H
|
||||
#define __CXGB4_SMT_H
|
||||
|
||||
#include <linux/spinlock.h>
|
||||
#include <linux/if_ether.h>
|
||||
#include <linux/atomic.h>
|
||||
|
||||
struct adapter;
|
||||
struct cpl_smt_write_rpl;
|
||||
|
||||
/* SMT related handling. Heavily adapted based on l2t ops in l2t.h/l2t.c
|
||||
*/
|
||||
enum {
|
||||
SMT_STATE_SWITCHING,
|
||||
SMT_STATE_UNUSED,
|
||||
SMT_STATE_ERROR
|
||||
};
|
||||
|
||||
enum {
|
||||
SMT_SIZE = 256
|
||||
};
|
||||
|
||||
struct smt_entry {
|
||||
u16 state;
|
||||
u16 idx;
|
||||
u16 pfvf;
|
||||
u8 src_mac[ETH_ALEN];
|
||||
atomic_t refcnt;
|
||||
spinlock_t lock; /* protect smt entry add,removal */
|
||||
};
|
||||
|
||||
struct smt_data {
|
||||
unsigned int smt_size;
|
||||
rwlock_t lock;
|
||||
struct smt_entry smtab[0];
|
||||
};
|
||||
|
||||
struct smt_data *t4_init_smt(void);
|
||||
struct smt_entry *cxgb4_smt_alloc_switching(struct net_device *dev, u8 *smac);
|
||||
void cxgb4_smt_release(struct smt_entry *e);
|
||||
void do_smt_write_rpl(struct adapter *p, const struct cpl_smt_write_rpl *rpl);
|
||||
#endif /* __CXGB4_SMT_H */
|
|
@ -50,6 +50,7 @@ enum {
|
|||
CPL_RX_DATA_ACK = 0xD,
|
||||
CPL_TX_PKT = 0xE,
|
||||
CPL_L2T_WRITE_REQ = 0x12,
|
||||
CPL_SMT_WRITE_REQ = 0x14,
|
||||
CPL_TID_RELEASE = 0x1A,
|
||||
CPL_TX_DATA_ISO = 0x1F,
|
||||
|
||||
|
@ -60,6 +61,7 @@ enum {
|
|||
CPL_PEER_CLOSE = 0x26,
|
||||
CPL_ABORT_REQ_RSS = 0x2B,
|
||||
CPL_ABORT_RPL_RSS = 0x2D,
|
||||
CPL_SMT_WRITE_RPL = 0x2E,
|
||||
|
||||
CPL_RX_PHYS_ADDR = 0x30,
|
||||
CPL_CLOSE_CON_RPL = 0x32,
|
||||
|
@ -681,8 +683,8 @@ struct cpl_set_tcb_field {
|
|||
};
|
||||
|
||||
/* cpl_set_tcb_field.word_cookie fields */
|
||||
#define TCB_WORD_S 0
|
||||
#define TCB_WORD(x) ((x) << TCB_WORD_S)
|
||||
#define TCB_WORD_S 0
|
||||
#define TCB_WORD_V(x) ((x) << TCB_WORD_S)
|
||||
|
||||
#define TCB_COOKIE_S 5
|
||||
#define TCB_COOKIE_M 0x7
|
||||
|
@ -1266,6 +1268,44 @@ struct cpl_l2t_write_rpl {
|
|||
u8 rsvd[3];
|
||||
};
|
||||
|
||||
struct cpl_smt_write_req {
|
||||
WR_HDR;
|
||||
union opcode_tid ot;
|
||||
__be32 params;
|
||||
__be16 pfvf1;
|
||||
u8 src_mac1[6];
|
||||
__be16 pfvf0;
|
||||
u8 src_mac0[6];
|
||||
};
|
||||
|
||||
struct cpl_t6_smt_write_req {
|
||||
WR_HDR;
|
||||
union opcode_tid ot;
|
||||
__be32 params;
|
||||
__be64 tag;
|
||||
__be16 pfvf0;
|
||||
u8 src_mac0[6];
|
||||
__be32 local_ip;
|
||||
__be32 rsvd;
|
||||
};
|
||||
|
||||
struct cpl_smt_write_rpl {
|
||||
union opcode_tid ot;
|
||||
u8 status;
|
||||
u8 rsvd[3];
|
||||
};
|
||||
|
||||
/* cpl_smt_{read,write}_req.params fields */
|
||||
#define SMTW_OVLAN_IDX_S 16
|
||||
#define SMTW_OVLAN_IDX_V(x) ((x) << SMTW_OVLAN_IDX_S)
|
||||
|
||||
#define SMTW_IDX_S 20
|
||||
#define SMTW_IDX_V(x) ((x) << SMTW_IDX_S)
|
||||
|
||||
#define SMTW_NORPL_S 31
|
||||
#define SMTW_NORPL_V(x) ((x) << SMTW_NORPL_S)
|
||||
#define SMTW_NORPL_F SMTW_NORPL_V(1U)
|
||||
|
||||
struct cpl_rdma_terminate {
|
||||
union opcode_tid ot;
|
||||
__be16 rsvd;
|
||||
|
|
|
@ -0,0 +1,47 @@
|
|||
/*
|
||||
* This file is part of the Chelsio T4/T5/T6 Ethernet driver for Linux.
|
||||
*
|
||||
* Copyright (c) 2017 Chelsio Communications, Inc. All rights reserved.
|
||||
*
|
||||
* This software is available to you under a choice of one of two
|
||||
* licenses. You may choose to be licensed under the terms of the GNU
|
||||
* General Public License (GPL) Version 2, available from the file
|
||||
* COPYING in the main directory of this source tree, or the
|
||||
* OpenIB.org BSD license below:
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or
|
||||
* without modification, are permitted provided that the following
|
||||
* conditions are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer.
|
||||
*
|
||||
* - Redistributions in binary form must reproduce the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials
|
||||
* provided with the distribution.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
||||
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*/
|
||||
|
||||
#ifndef __T4_TCB_H
|
||||
#define __T4_TCB_H
|
||||
|
||||
#define TCB_SMAC_SEL_W 0
|
||||
#define TCB_SMAC_SEL_S 24
|
||||
#define TCB_SMAC_SEL_M 0xffULL
|
||||
#define TCB_SMAC_SEL_V(x) ((x) << TCB_SMAC_SEL_S)
|
||||
|
||||
#define TCB_T_FLAGS_W 1
|
||||
|
||||
#define TF_CCTRL_CWR_S 61
|
||||
|
||||
#endif /* __T4_TCB_H */
|
Loading…
Reference in New Issue