diff options
author | Hariprasad Shenai <hariprasad@chelsio.com> | 2016-08-11 15:36:24 (GMT) |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-08-15 04:16:57 (GMT) |
commit | 858aa65c5110b624bfdab6a891d53826b0dd45aa (patch) | |
tree | 72ac98717217de7bda5ccf14dde8c84b5f35bf28 /drivers/net/ethernet/chelsio/cxgb4 | |
parent | 7829451c695e5b795fef95d72cd258e78d52f62d (diff) | |
download | linux-858aa65c5110b624bfdab6a891d53826b0dd45aa.tar.xz |
cxgb4/cxgb4vf: Add set VF mac address support
Add ndo_set_vf_mac support which allows to set the MAC address
for cxgb4vf interfaces from the host
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4')
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 3 | ||||
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 24 | ||||
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 41 |
3 files changed, 67 insertions, 1 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index 2e2aa9f..bcfa512 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -1521,4 +1521,7 @@ void t4_idma_monitor_init(struct adapter *adapter, void t4_idma_monitor(struct adapter *adapter, struct sge_idma_monitor_state *idma, int hz, int ticks); +int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf, + unsigned int naddr, u8 *addr); + #endif /* __CXGB4_H__ */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index b7e932e..2bb804c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -3078,6 +3078,26 @@ static int cxgb_change_mtu(struct net_device *dev, int new_mtu) return ret; } +#ifdef CONFIG_PCI_IOV +static int cxgb_set_vf_mac(struct net_device *dev, int vf, u8 *mac) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adap = pi->adapter; + + /* verify MAC addr is valid */ + if (!is_valid_ether_addr(mac)) { + dev_err(pi->adapter->pdev_dev, + "Invalid Ethernet address %pM for VF %d\n", + mac, vf); + return -EINVAL; + } + + dev_info(pi->adapter->pdev_dev, + "Setting MAC %pM on VF %d\n", mac, vf); + return t4_set_vf_mac_acl(adap, vf + 1, 1, mac); +} +#endif + static int cxgb_set_mac_addr(struct net_device *dev, void *p) { int ret; @@ -3136,10 +3156,12 @@ static const struct net_device_ops cxgb4_netdev_ops = { #ifdef CONFIG_NET_RX_BUSY_POLL .ndo_busy_poll = cxgb_busy_poll, #endif - }; static const struct net_device_ops cxgb4_mgmt_netdev_ops = { +#ifdef CONFIG_PCI_IOV + .ndo_set_vf_mac = cxgb_set_vf_mac, +#endif }; static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index dc92c80..2a476cc 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -8264,3 +8264,44 @@ void t4_idma_monitor(struct adapter *adapter, t4_sge_decode_idma_state(adapter, idma->idma_state[i]); } } + +/** + * t4_set_vf_mac - Set MAC address for the specified VF + * @adapter: The adapter + * @vf: one of the VFs instantiated by the specified PF + * @naddr: the number of MAC addresses + * @addr: the MAC address(es) to be set to the specified VF + */ +int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf, + unsigned int naddr, u8 *addr) +{ + struct fw_acl_mac_cmd cmd; + + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_ACL_MAC_CMD) | + FW_CMD_REQUEST_F | + FW_CMD_WRITE_F | + FW_ACL_MAC_CMD_PFN_V(adapter->pf) | + FW_ACL_MAC_CMD_VFN_V(vf)); + + /* Note: Do not enable the ACL */ + cmd.en_to_len16 = cpu_to_be32((unsigned int)FW_LEN16(cmd)); + cmd.nmac = naddr; + + switch (adapter->pf) { + case 3: + memcpy(cmd.macaddr3, addr, sizeof(cmd.macaddr3)); + break; + case 2: + memcpy(cmd.macaddr2, addr, sizeof(cmd.macaddr2)); + break; + case 1: + memcpy(cmd.macaddr1, addr, sizeof(cmd.macaddr1)); + break; + case 0: + memcpy(cmd.macaddr0, addr, sizeof(cmd.macaddr0)); + break; + } + + return t4_wr_mbox(adapter, adapter->mbox, &cmd, sizeof(cmd), &cmd); +} |