UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

bnxt_en: Add support for ndo_set_vf_trust 

Trusted VFs are allowed to modify MAC address, even when PF
has assigned one.

Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vasundhara Volam 2018-03-31 13:54:10 -04:00 committed by David S. Miller
parent 2373d8d6a7
commit 746df13964
4 changed files with 37 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -8206,6 +8206,7 @@ static const struct net_device_ops bnxt_netdev_ops = {
.ndo_set_vf_rate = bnxt_set_vf_bw,
.ndo_set_vf_link_state = bnxt_set_vf_link_state,
.ndo_set_vf_spoofchk = bnxt_set_vf_spoofchk,
.ndo_set_vf_trust = bnxt_set_vf_trust,
#endif
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = bnxt_poll_controller,

1
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -815,6 +815,7 @@ struct bnxt_vf_info {
#define BNXT_VF_SPOOFCHK 0x2
#define BNXT_VF_LINK_FORCED 0x4
#define BNXT_VF_LINK_UP 0x8
#define BNXT_VF_TRUST 0x10
u32 func_flags; /* func cfg flags */
u32 min_tx_rate;
u32 max_tx_rate;

41
drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
View File

@ -1,7 +1,7 @@
/* Broadcom NetXtreme-C/E network driver.
*
* Copyright (c) 2014-2016 Broadcom Corporation
* Copyright (c) 2016-2017 Broadcom Limited
* Copyright (c) 2016-2018 Broadcom Limited
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -121,6 +121,23 @@ int bnxt_set_vf_spoofchk(struct net_device *dev, int vf_id, bool setting)
return rc;
}
int bnxt_set_vf_trust(struct net_device *dev, int vf_id, bool trusted)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_vf_info *vf;
if (bnxt_vf_ndo_prep(bp, vf_id))
return -EINVAL;
vf = &bp->pf.vf[vf_id];
if (trusted)
vf->flags |= BNXT_VF_TRUST;
else
vf->flags &= ~BNXT_VF_TRUST;
return 0;
}
int bnxt_get_vf_config(struct net_device *dev, int vf_id,
struct ifla_vf_info *ivi)
{
@ -147,6 +164,7 @@ int bnxt_get_vf_config(struct net_device *dev, int vf_id,
else
ivi->qos = 0;
ivi->spoofchk = !!(vf->flags & BNXT_VF_SPOOFCHK);
ivi->trusted = !!(vf->flags & BNXT_VF_TRUST);
if (!(vf->flags & BNXT_VF_LINK_FORCED))
ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
else if (vf->flags & BNXT_VF_LINK_UP)
@ -886,18 +904,19 @@ exec_fwd_resp_exit:
return rc;
}
static int bnxt_vf_store_mac(struct bnxt *bp, struct bnxt_vf_info *vf)
static int bnxt_vf_configure_mac(struct bnxt *bp, struct bnxt_vf_info *vf)
{
u32 msg_size = sizeof(struct hwrm_func_vf_cfg_input);
struct hwrm_func_vf_cfg_input *req =
(struct hwrm_func_vf_cfg_input *)vf->hwrm_cmd_req_addr;
/* Only allow VF to set a valid MAC address if the PF assigned MAC
* address is zero
/* Allow VF to set a valid MAC address, if trust is set to on or
* if the PF assigned MAC address is zero
*/
if (req->enables & cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_DFLT_MAC_ADDR)) {
if (is_valid_ether_addr(req->dflt_mac_addr) &&
!is_valid_ether_addr(vf->mac_addr)) {
((vf->flags & BNXT_VF_TRUST) ||
(!is_valid_ether_addr(vf->mac_addr)))) {
ether_addr_copy(vf->vf_mac_addr, req->dflt_mac_addr);
return bnxt_hwrm_exec_fwd_resp(bp, vf, msg_size);
}
@ -913,11 +932,17 @@ static int bnxt_vf_validate_set_mac(struct bnxt *bp, struct bnxt_vf_info *vf)
(struct hwrm_cfa_l2_filter_alloc_input *)vf->hwrm_cmd_req_addr;
bool mac_ok = false;
/* VF MAC address must first match PF MAC address, if it is valid.
if (!is_valid_ether_addr((const u8 *)req->l2_addr))
return bnxt_hwrm_fwd_err_resp(bp, vf, msg_size);
/* Allow VF to set a valid MAC address, if trust is set to on.
* Or VF MAC address must first match MAC address in PF's context.
* Otherwise, it must match the VF MAC address if firmware spec >=
* 1.2.2
*/
if (is_valid_ether_addr(vf->mac_addr)) {
if (vf->flags & BNXT_VF_TRUST) {
mac_ok = true;
} else if (is_valid_ether_addr(vf->mac_addr)) {
if (ether_addr_equal((const u8 *)req->l2_addr, vf->mac_addr))
mac_ok = true;
} else if (is_valid_ether_addr(vf->vf_mac_addr)) {
@ -993,7 +1018,7 @@ static int bnxt_vf_req_validate_snd(struct bnxt *bp, struct bnxt_vf_info *vf)
switch (req_type) {
case HWRM_FUNC_VF_CFG:
rc = bnxt_vf_store_mac(bp, vf);
rc = bnxt_vf_configure_mac(bp, vf);
break;
case HWRM_CFA_L2_FILTER_ALLOC:
rc = bnxt_vf_validate_set_mac(bp, vf);

3
drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.h
View File

@ -1,7 +1,7 @@
/* Broadcom NetXtreme-C/E network driver.
*
* Copyright (c) 2014-2016 Broadcom Corporation
* Copyright (c) 2016-2017 Broadcom Limited
* Copyright (c) 2016-2018 Broadcom Limited
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -17,6 +17,7 @@ int bnxt_set_vf_vlan(struct net_device *, int, u16, u8, __be16);
int bnxt_set_vf_bw(struct net_device *, int, int, int);
int bnxt_set_vf_link_state(struct net_device *, int, int);
int bnxt_set_vf_spoofchk(struct net_device *, int, bool);
int bnxt_set_vf_trust(struct net_device *dev, int vf_id, bool trust);
int bnxt_sriov_configure(struct pci_dev *pdev, int num_vfs);
void bnxt_sriov_disable(struct bnxt *);
void bnxt_hwrm_exec_fwd_req(struct bnxt *);