From c8307adaaaeeae295ae161979267773b5f783264 Mon Sep 17 00:00:00 2001 From: Jiawen Wu Date: Thu, 25 Feb 2021 16:08:56 +0800 Subject: [PATCH] net/txgbe: support VF multicast MAC filter Add multicast MAC filter support for VF driver. Signed-off-by: Jiawen Wu --- doc/guides/nics/features/txgbe_vf.ini | 1 + drivers/net/txgbe/base/txgbe_hw.c | 1 + drivers/net/txgbe/base/txgbe_vf.c | 83 +++++++++++++++++++++++++++ drivers/net/txgbe/base/txgbe_vf.h | 3 + drivers/net/txgbe/txgbe_ethdev.c | 2 +- drivers/net/txgbe/txgbe_ethdev_vf.c | 1 + 6 files changed, 90 insertions(+), 1 deletion(-) diff --git a/doc/guides/nics/features/txgbe_vf.ini b/doc/guides/nics/features/txgbe_vf.ini index aeb93f007f..ba1812e17d 100644 --- a/doc/guides/nics/features/txgbe_vf.ini +++ b/doc/guides/nics/features/txgbe_vf.ini @@ -6,6 +6,7 @@ [Features] Link status = Y Unicast MAC filter = Y +Multicast MAC filter = Y Rx interrupt = Y Jumbo frame = Y Scattered Rx = Y diff --git a/drivers/net/txgbe/base/txgbe_hw.c b/drivers/net/txgbe/base/txgbe_hw.c index c357c8658c..3cee8b8572 100644 --- a/drivers/net/txgbe/base/txgbe_hw.c +++ b/drivers/net/txgbe/base/txgbe_hw.c @@ -2808,6 +2808,7 @@ s32 txgbe_init_ops_pf(struct txgbe_hw *hw) mac->acquire_swfw_sync = txgbe_acquire_swfw_sync; mac->release_swfw_sync = txgbe_release_swfw_sync; mac->reset_hw = txgbe_reset_hw; + mac->update_mc_addr_list = txgbe_update_mc_addr_list; mac->disable_sec_rx_path = txgbe_disable_sec_rx_path; mac->enable_sec_rx_path = txgbe_enable_sec_rx_path; diff --git a/drivers/net/txgbe/base/txgbe_vf.c b/drivers/net/txgbe/base/txgbe_vf.c index 9105de2939..416c8964fc 100644 --- a/drivers/net/txgbe/base/txgbe_vf.c +++ b/drivers/net/txgbe/base/txgbe_vf.c @@ -26,6 +26,7 @@ s32 txgbe_init_ops_vf(struct txgbe_hw *hw) mac->get_mac_addr = txgbe_get_mac_addr_vf; mac->stop_hw = txgbe_stop_hw_vf; mac->negotiate_api_version = txgbevf_negotiate_api_version; + mac->update_mc_addr_list = txgbe_update_mc_addr_list_vf; /* Link */ mac->check_link = txgbe_check_mac_link_vf; @@ -213,6 +214,39 @@ s32 txgbe_stop_hw_vf(struct txgbe_hw *hw) return 0; } +/** + * txgbe_mta_vector - Determines bit-vector in multicast table to set + * @hw: pointer to hardware structure + * @mc_addr: the multicast address + **/ +STATIC s32 txgbe_mta_vector(struct txgbe_hw *hw, u8 *mc_addr) +{ + u32 vector = 0; + + switch (hw->mac.mc_filter_type) { + case 0: /* use bits [47:36] of the address */ + vector = ((mc_addr[4] >> 4) | (((u16)mc_addr[5]) << 4)); + break; + case 1: /* use bits [46:35] of the address */ + vector = ((mc_addr[4] >> 3) | (((u16)mc_addr[5]) << 5)); + break; + case 2: /* use bits [45:34] of the address */ + vector = ((mc_addr[4] >> 2) | (((u16)mc_addr[5]) << 6)); + break; + case 3: /* use bits [43:32] of the address */ + vector = ((mc_addr[4]) | (((u16)mc_addr[5]) << 8)); + break; + default: /* Invalid mc_filter_type */ + DEBUGOUT("MC filter type param set incorrectly\n"); + ASSERT(0); + break; + } + + /* vector can only be 12-bits or boundary will be exceeded */ + vector &= 0xFFF; + return vector; +} + STATIC s32 txgbevf_write_msg_read_ack(struct txgbe_hw *hw, u32 *msg, u32 *retmsg, u16 size) { @@ -258,6 +292,55 @@ s32 txgbe_set_rar_vf(struct txgbe_hw *hw, u32 index, u8 *addr, u32 vmdq, return ret_val; } +/** + * txgbe_update_mc_addr_list_vf - Update Multicast addresses + * @hw: pointer to the HW structure + * @mc_addr_list: array of multicast addresses to program + * @mc_addr_count: number of multicast addresses to program + * @next: caller supplied function to return next address in list + * @clear: unused + * + * Updates the Multicast Table Array. + **/ +s32 txgbe_update_mc_addr_list_vf(struct txgbe_hw *hw, u8 *mc_addr_list, + u32 mc_addr_count, txgbe_mc_addr_itr next, + bool clear) +{ + struct txgbe_mbx_info *mbx = &hw->mbx; + u32 msgbuf[TXGBE_P2VMBX_SIZE]; + u16 *vector_list = (u16 *)&msgbuf[1]; + u32 vector; + u32 cnt, i; + u32 vmdq; + + UNREFERENCED_PARAMETER(clear); + + DEBUGFUNC("txgbe_update_mc_addr_list_vf"); + + /* Each entry in the list uses 1 16 bit word. We have 30 + * 16 bit words available in our HW msg buffer (minus 1 for the + * msg type). That's 30 hash values if we pack 'em right. If + * there are more than 30 MC addresses to add then punt the + * extras for now and then add code to handle more than 30 later. + * It would be unusual for a server to request that many multi-cast + * addresses except for in large enterprise network environments. + */ + + DEBUGOUT("MC Addr Count = %d\n", mc_addr_count); + + cnt = (mc_addr_count > 30) ? 30 : mc_addr_count; + msgbuf[0] = TXGBE_VF_SET_MULTICAST; + msgbuf[0] |= cnt << TXGBE_VT_MSGINFO_SHIFT; + + for (i = 0; i < cnt; i++) { + vector = txgbe_mta_vector(hw, next(hw, &mc_addr_list, &vmdq)); + DEBUGOUT("Hash value = 0x%03X\n", vector); + vector_list[i] = (u16)vector; + } + + return mbx->write_posted(hw, msgbuf, TXGBE_P2VMBX_SIZE, 0); +} + /** * txgbevf_update_xcast_mode - Update Multicast mode * @hw: pointer to the HW structure diff --git a/drivers/net/txgbe/base/txgbe_vf.h b/drivers/net/txgbe/base/txgbe_vf.h index 710df838f2..39714d1020 100644 --- a/drivers/net/txgbe/base/txgbe_vf.h +++ b/drivers/net/txgbe/base/txgbe_vf.h @@ -47,6 +47,9 @@ s32 txgbe_check_mac_link_vf(struct txgbe_hw *hw, u32 *speed, s32 txgbe_set_rar_vf(struct txgbe_hw *hw, u32 index, u8 *addr, u32 vmdq, u32 enable_addr); s32 txgbevf_set_uc_addr_vf(struct txgbe_hw *hw, u32 index, u8 *addr); +s32 txgbe_update_mc_addr_list_vf(struct txgbe_hw *hw, u8 *mc_addr_list, + u32 mc_addr_count, txgbe_mc_addr_itr next, + bool clear); s32 txgbevf_update_xcast_mode(struct txgbe_hw *hw, int xcast_mode); s32 txgbe_set_vfta_vf(struct txgbe_hw *hw, u32 vlan, u32 vind, bool vlan_on, bool vlvf_bypass); diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c index 247bb042fe..90137d0ceb 100644 --- a/drivers/net/txgbe/txgbe_ethdev.c +++ b/drivers/net/txgbe/txgbe_ethdev.c @@ -4121,7 +4121,7 @@ txgbe_dev_set_mc_addr_list(struct rte_eth_dev *dev, hw = TXGBE_DEV_HW(dev); mc_addr_list = (u8 *)mc_addr_set; - return txgbe_update_mc_addr_list(hw, mc_addr_list, nb_mc_addr, + return hw->mac.update_mc_addr_list(hw, mc_addr_list, nb_mc_addr, txgbe_dev_addr_list_itr, TRUE); } diff --git a/drivers/net/txgbe/txgbe_ethdev_vf.c b/drivers/net/txgbe/txgbe_ethdev_vf.c index 74cdcc6c9a..b9d55debf9 100644 --- a/drivers/net/txgbe/txgbe_ethdev_vf.c +++ b/drivers/net/txgbe/txgbe_ethdev_vf.c @@ -1080,6 +1080,7 @@ static const struct eth_dev_ops txgbevf_eth_dev_ops = { .rx_queue_intr_disable = txgbevf_dev_rx_queue_intr_disable, .mac_addr_add = txgbevf_add_mac_addr, .mac_addr_remove = txgbevf_remove_mac_addr, + .set_mc_addr_list = txgbe_dev_set_mc_addr_list, .rxq_info_get = txgbe_rxq_info_get, .txq_info_get = txgbe_txq_info_get, .mac_addr_set = txgbevf_set_default_mac_addr, -- 2.20.1