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be2net: Changes to use only priority codes allowed by f/w 

Changes to use one of the priority codes allowed by CNA f/w for NIC traffic
from host. The driver gets the bit map of the priority codes allowed for
host traffic through a asynchronous message from the f/w that the driver
subscribes to.

Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Somnath Kotur 2010-10-21 07:11:14 -07:00 committed by David S. Miller
parent e83726b046
commit cc4ce02093
4 changed files with 106 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/benet/be.h
View File

@ -264,6 +264,8 @@ struct be_adapter {
u16 vlans_added;
u16 max_vlans; /* Number of vlans supported */
u8 vlan_tag[VLAN_N_VID];
u8 vlan_prio_bmap; /* Available Priority BitMap */
u16 recommended_prio; /* Recommended Priority */
struct be_dma_mem mc_cmd_mem;
struct be_dma_mem stats_cmd;

61
drivers/net/benet/be_cmds.c
View File

@ -96,6 +96,50 @@ static void be_async_link_state_process(struct be_adapter *adapter,
evt->port_link_status == ASYNC_EVENT_LINK_UP);
}
/* Grp5 CoS Priority evt */
static void be_async_grp5_cos_priority_process(struct be_adapter *adapter,
struct be_async_event_grp5_cos_priority *evt)
{
if (evt->valid) {
adapter->vlan_prio_bmap = evt->available_priority_bmap;
adapter->recommended_prio =
evt->reco_default_priority << VLAN_PRIO_SHIFT;
}
}
/* Grp5 QOS Speed evt */
static void be_async_grp5_qos_speed_process(struct be_adapter *adapter,
struct be_async_event_grp5_qos_link_speed *evt)
{
if (evt->physical_port == adapter->port_num) {
/* qos_link_speed is in units of 10 Mbps */
adapter->link_speed = evt->qos_link_speed * 10;
}
}
static void be_async_grp5_evt_process(struct be_adapter *adapter,
u32 trailer, struct be_mcc_compl *evt)
{
u8 event_type = 0;
event_type = (trailer >> ASYNC_TRAILER_EVENT_TYPE_SHIFT) &
ASYNC_TRAILER_EVENT_TYPE_MASK;
switch (event_type) {
case ASYNC_EVENT_COS_PRIORITY:
be_async_grp5_cos_priority_process(adapter,
(struct be_async_event_grp5_cos_priority *)evt);
break;
case ASYNC_EVENT_QOS_SPEED:
be_async_grp5_qos_speed_process(adapter,
(struct be_async_event_grp5_qos_link_speed *)evt);
break;
default:
dev_warn(&adapter->pdev->dev, "Unknown grp5 event!\n");
break;
}
}
static inline bool is_link_state_evt(u32 trailer)
{
return ((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
@ -103,6 +147,13 @@ static inline bool is_link_state_evt(u32 trailer)
ASYNC_EVENT_CODE_LINK_STATE;
}
static inline bool is_grp5_evt(u32 trailer)
{
return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
ASYNC_TRAILER_EVENT_CODE_MASK) ==
ASYNC_EVENT_CODE_GRP_5);
}
static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter)
{
struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq;
@ -143,6 +194,9 @@ int be_process_mcc(struct be_adapter *adapter, int *status)
if (is_link_state_evt(compl->flags))
be_async_link_state_process(adapter,
(struct be_async_event_link_state *) compl);
else if (is_grp5_evt(compl->flags))
be_async_grp5_evt_process(adapter,
compl->flags, compl);
} else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
*status = be_mcc_compl_process(adapter, compl);
atomic_dec(&mcc_obj->q.used);
@ -677,10 +731,10 @@ int be_cmd_mccq_create(struct be_adapter *adapter,
ctxt = &req->context;
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
OPCODE_COMMON_MCC_CREATE);
OPCODE_COMMON_MCC_CREATE_EXT);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_MCC_CREATE, sizeof(*req));
OPCODE_COMMON_MCC_CREATE_EXT, sizeof(*req));
req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
@ -688,7 +742,8 @@ int be_cmd_mccq_create(struct be_adapter *adapter,
AMAP_SET_BITS(struct amap_mcc_context, ring_size, ctxt,
be_encoded_q_len(mccq->len));
AMAP_SET_BITS(struct amap_mcc_context, cq_id, ctxt, cq->id);
/* Subscribe to Link State and Group 5 Events(bits 1 and 5 set) */
req->async_event_bitmap[0] |= 0x00000022;
be_dws_cpu_to_le(ctxt, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);

33
drivers/net/benet/be_cmds.h
View File

@ -82,7 +82,12 @@ struct be_mcc_compl {
*/
#define ASYNC_TRAILER_EVENT_CODE_SHIFT 8 /* bits 8 - 15 */
#define ASYNC_TRAILER_EVENT_CODE_MASK 0xFF
#define ASYNC_TRAILER_EVENT_TYPE_SHIFT 16
#define ASYNC_TRAILER_EVENT_TYPE_MASK 0xFF
#define ASYNC_EVENT_CODE_LINK_STATE 0x1
#define ASYNC_EVENT_CODE_GRP_5 0x5
#define ASYNC_EVENT_QOS_SPEED 0x1
#define ASYNC_EVENT_COS_PRIORITY 0x2
struct be_async_event_trailer {
u32 code;
};
@ -105,6 +110,30 @@ struct be_async_event_link_state {
struct be_async_event_trailer trailer;
} __packed;
/* When the event code of an async trailer is GRP-5 and event_type is QOS_SPEED
* the mcc_compl must be interpreted as follows
*/
struct be_async_event_grp5_qos_link_speed {
u8 physical_port;
u8 rsvd[5];
u16 qos_link_speed;
u32 event_tag;
struct be_async_event_trailer trailer;
} __packed;
/* When the event code of an async trailer is GRP5 and event type is
* CoS-Priority, the mcc_compl must be interpreted as follows
*/
struct be_async_event_grp5_cos_priority {
u8 physical_port;
u8 available_priority_bmap;
u8 reco_default_priority;
u8 valid;
u8 rsvd0;
u8 event_tag;
struct be_async_event_trailer trailer;
} __packed;
struct be_mcc_mailbox {
struct be_mcc_wrb wrb;
struct be_mcc_compl compl;
@ -123,8 +152,9 @@ struct be_mcc_mailbox {
#define OPCODE_COMMON_WRITE_FLASHROM 7
#define OPCODE_COMMON_CQ_CREATE 12
#define OPCODE_COMMON_EQ_CREATE 13
#define OPCODE_COMMON_MCC_CREATE 21
#define OPCODE_COMMON_MCC_CREATE 21
#define OPCODE_COMMON_SET_QOS 28
#define OPCODE_COMMON_MCC_CREATE_EXT 90
#define OPCODE_COMMON_SEEPROM_READ 30
#define OPCODE_COMMON_NTWK_RX_FILTER 34
#define OPCODE_COMMON_GET_FW_VERSION 35
@ -338,6 +368,7 @@ struct be_cmd_req_mcc_create {
struct be_cmd_req_hdr hdr;
u16 num_pages;
u16 rsvd0;
u32 async_event_bitmap[1];
u8 context[sizeof(struct amap_mcc_context) / 8];
struct phys_addr pages[8];
} __packed;

20
drivers/net/benet/be_main.c
View File

@ -429,9 +429,12 @@ static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len)
wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK;
}
static void wrb_fill_hdr(struct be_eth_hdr_wrb *hdr, struct sk_buff *skb,
u32 wrb_cnt, u32 len)
static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr,
struct sk_buff *skb, u32 wrb_cnt, u32 len)
{
u8 vlan_prio = 0;
u16 vlan_tag = 0;
memset(hdr, 0, sizeof(*hdr));
AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1);
@ -449,10 +452,15 @@ static void wrb_fill_hdr(struct be_eth_hdr_wrb *hdr, struct sk_buff *skb,
AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1);
}
if (vlan_tx_tag_present(skb)) {
if (adapter->vlan_grp && vlan_tx_tag_present(skb)) {
AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1);
AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag,
hdr, vlan_tx_tag_get(skb));
vlan_tag = vlan_tx_tag_get(skb);
vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
/* If vlan priority provided by OS is NOT in available bmap */
if (!(adapter->vlan_prio_bmap & (1 << vlan_prio)))
vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) |
adapter->recommended_prio;
AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag, hdr, vlan_tag);
}
AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1);
@ -532,7 +540,7 @@ static int make_tx_wrbs(struct be_adapter *adapter,
queue_head_inc(txq);
}
wrb_fill_hdr(hdr, first_skb, wrb_cnt, copied);
wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied);
be_dws_cpu_to_le(hdr, sizeof(*hdr));
return copied;