6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Anumula Murali Mohan Reddy anumula@chelsio.com
[ Upstream commit 356983f569c1f5991661fc0050aa263792f50616 ]
t4_set_vf_mac_acl() uses pf to set mac addr, but t4vf_get_vf_mac_acl() uses port number to get mac addr, this leads to error when an attempt to set MAC address on VF's of PF2 and PF3. This patch fixes the issue by using port number to set mac address.
Fixes: e0cdac65ba26 ("cxgb4vf: configure ports accessible by the VF") Signed-off-by: Anumula Murali Mohan Reddy anumula@chelsio.com Signed-off-by: Potnuri Bharat Teja bharat@chelsio.com Reviewed-by: Simon Horman horms@kernel.org Link: https://patch.msgid.link/20241206062014.49414-1-anumula@chelsio.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 2 +- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 2 +- drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 5 +++-- 3 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index fca9533bc011..2ed72c3fab42 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -2082,7 +2082,7 @@ 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); + u8 start, unsigned int naddr, u8 *addr); void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs, u32 start_index, bool sleep_ok); void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs, diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 2eb33a727bba..b215ff14da1b 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -3246,7 +3246,7 @@ static int cxgb4_mgmt_set_vf_mac(struct net_device *dev, int vf, u8 *mac)
dev_info(pi->adapter->pdev_dev, "Setting MAC %pM on VF %d\n", mac, vf); - ret = t4_set_vf_mac_acl(adap, vf + 1, 1, mac); + ret = t4_set_vf_mac_acl(adap, vf + 1, pi->lport, 1, mac); if (!ret) ether_addr_copy(adap->vfinfo[vf].vf_mac_addr, mac); return ret; diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 76de55306c4d..175bf9b13058 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -10215,11 +10215,12 @@ int t4_load_cfg(struct adapter *adap, const u8 *cfg_data, unsigned int size) * t4_set_vf_mac_acl - Set MAC address for the specified VF * @adapter: The adapter * @vf: one of the VFs instantiated by the specified PF + * @start: The start port id associated with specified VF * @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) + u8 start, unsigned int naddr, u8 *addr) { struct fw_acl_mac_cmd cmd;
@@ -10234,7 +10235,7 @@ int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf, cmd.en_to_len16 = cpu_to_be32((unsigned int)FW_LEN16(cmd)); cmd.nmac = naddr;
- switch (adapter->pf) { + switch (start) { case 3: memcpy(cmd.macaddr3, addr, sizeof(cmd.macaddr3)); break;