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kmod-redhat-atlantic/SOURCES/0006-netdrv-net-aquantia-ad...

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From 8d5054035ac45d4710a9b0495caa1cf99577f76c Mon Sep 17 00:00:00 2001
From: Igor Russkikh <irusskik@redhat.com>
Date: Fri, 6 Nov 2020 18:36:23 -0500
Subject: [PATCH 006/139] [netdrv] net: aquantia: adding fields and device
features for vlan offload
Message-id: <1604687916-15087-7-git-send-email-irusskik@redhat.com>
Patchwork-id: 338436
Patchwork-instance: patchwork
O-Subject: [RHEL8.4 BZ 1857861 006/139] net: aquantia: adding fields and device features for vlan offload
Bugzilla: 1857861
RH-Acked-by: David Arcari <darcari@redhat.com>
RH-Acked-by: John Linville <linville@redhat.com>
RH-Acked-by: Tony Camuso <tcamuso@redhat.com>
Bugzilla: http://bugzilla.redhat.com/1857861
commit d3ed7c5cf79bb9099c9a3fc5c1d90b51d13a4453
Author: Igor Russkikh <Igor.Russkikh@aquantia.com>
Date: Wed Jun 26 12:35:44 2019 +0000
net: aquantia: adding fields and device features for vlan offload
Updating features and vlan_features with vlan HW offload.
Added vlan_tag fields to rx/tx ring_buff to track vlan related data.
Tested-by: Nikita Danilov <ndanilov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Igor Russkikh <irusskik@redhat.com>
Cc: David Arcari <darcari@redhat.com>
Cc: Igor Russkikh <irusskik@redhat.com>
Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
drivers/net/ethernet/aquantia/atlantic/aq_nic.c | 9 ++++++---
drivers/net/ethernet/aquantia/atlantic/aq_nic.h | 2 ++
drivers/net/ethernet/aquantia/atlantic/aq_ring.h | 9 ++++++---
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c | 2 +-
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c | 10 +++++++---
5 files changed, 22 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index 41172fbebddd..d2d23491d0b1 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -126,6 +126,8 @@ void aq_nic_cfg_start(struct aq_nic_s *self)
cfg->link_speed_msk &= cfg->aq_hw_caps->link_speed_msk;
cfg->features = cfg->aq_hw_caps->hw_features;
+ cfg->is_vlan_rx_strip = !!(cfg->features & NETIF_F_HW_VLAN_CTAG_RX);
+ cfg->is_vlan_tx_insert = !!(cfg->features & NETIF_F_HW_VLAN_CTAG_TX);
cfg->is_vlan_force_promisc = true;
}
@@ -286,7 +288,8 @@ void aq_nic_ndev_init(struct aq_nic_s *self)
self->ndev->hw_features |= aq_hw_caps->hw_features;
self->ndev->features = aq_hw_caps->hw_features;
self->ndev->vlan_features |= NETIF_F_HW_CSUM | NETIF_F_RXCSUM |
- NETIF_F_RXHASH | NETIF_F_SG | NETIF_F_LRO;
+ NETIF_F_RXHASH | NETIF_F_SG |
+ NETIF_F_LRO | NETIF_F_TSO;
self->ndev->priv_flags = aq_hw_caps->hw_priv_flags;
self->ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
@@ -435,7 +438,7 @@ static unsigned int aq_nic_map_skb(struct aq_nic_s *self,
dx_buff->len_l3 = ip_hdrlen(skb);
dx_buff->len_l4 = tcp_hdrlen(skb);
dx_buff->mss = skb_shinfo(skb)->gso_size;
- dx_buff->is_txc = 1U;
+ dx_buff->is_gso = 1U;
dx_buff->eop_index = 0xffffU;
dx_buff->is_ipv6 =
@@ -535,7 +538,7 @@ static unsigned int aq_nic_map_skb(struct aq_nic_s *self,
--ret, dx = aq_ring_next_dx(ring, dx)) {
dx_buff = &ring->buff_ring[dx];
- if (!dx_buff->is_txc && dx_buff->pa) {
+ if (!dx_buff->is_gso && dx_buff->pa) {
if (unlikely(dx_buff->is_sop)) {
dma_unmap_single(aq_nic_get_dev(self),
dx_buff->pa,
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
index 0f22f5d5691b..255b54a6ae07 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
@@ -35,6 +35,8 @@ struct aq_nic_cfg_s {
u32 flow_control;
u32 link_speed_msk;
u32 wol;
+ u8 is_vlan_rx_strip;
+ u8 is_vlan_tx_insert;
bool is_vlan_force_promisc;
u16 is_mc_list_enabled;
u16 mc_list_count;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.h b/drivers/net/ethernet/aquantia/atlantic/aq_ring.h
index 6bd67210d0b7..47abd09d06c2 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.h
@@ -27,7 +27,7 @@ struct aq_rxpage {
* +----------+----------+----------+-----------
* 4/8bytes|len pkt |len pkt | | skb
* +----------+----------+----------+-----------
- * 4/8bytes|is_txc |len,flags |len |len,is_eop
+ * 4/8bytes|is_gso |len,flags |len |len,is_eop
* +----------+----------+----------+-----------
*
* This aq_ring_buff_s doesn't have endianness dependency.
@@ -44,6 +44,7 @@ struct __packed aq_ring_buff_s {
u8 is_hash_l4;
u8 rsvd1;
struct aq_rxpage rxdata;
+ u16 vlan_rx_tag;
};
/* EOP */
struct {
@@ -59,6 +60,7 @@ struct __packed aq_ring_buff_s {
u8 is_ipv6:1;
u8 rsvd2:7;
u32 len_pkt;
+ u16 vlan_tx_tag;
};
};
union {
@@ -70,11 +72,12 @@ struct __packed aq_ring_buff_s {
u32 is_cso_err:1;
u32 is_sop:1;
u32 is_eop:1;
- u32 is_txc:1;
+ u32 is_gso:1;
u32 is_mapped:1;
u32 is_cleaned:1;
u32 is_error:1;
- u32 rsvd3:6;
+ u32 is_vlan:1;
+ u32 rsvd3:5;
u16 eop_index;
u16 rsvd4;
};
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
index 0f140a9fe404..359a4d387185 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
@@ -451,7 +451,7 @@ static int hw_atl_a0_hw_ring_tx_xmit(struct aq_hw_s *self,
buff = &ring->buff_ring[ring->sw_tail];
- if (buff->is_txc) {
+ if (buff->is_gso) {
txd->ctl |= (buff->len_l3 << 31) |
(buff->len_l2 << 24) |
HW_ATL_A0_TXD_CTL_CMD_TCP |
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index 13ac2661a473..8ead2a8d2893 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -40,7 +40,9 @@
NETIF_F_TSO | \
NETIF_F_LRO | \
NETIF_F_NTUPLE | \
- NETIF_F_HW_VLAN_CTAG_FILTER, \
+ NETIF_F_HW_VLAN_CTAG_FILTER | \
+ NETIF_F_HW_VLAN_CTAG_RX | \
+ NETIF_F_HW_VLAN_CTAG_TX, \
.hw_priv_flags = IFF_UNICAST_FLT, \
.flow_control = true, \
.mtu = HW_ATL_B0_MTU_JUMBO, \
@@ -501,7 +503,7 @@ static int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self,
buff = &ring->buff_ring[ring->sw_tail];
- if (buff->is_txc) {
+ if (buff->is_gso) {
txd->ctl |= (buff->len_l3 << 31) |
(buff->len_l2 << 24) |
HW_ATL_B0_TXD_CTL_CMD_TCP |
@@ -559,6 +561,7 @@ static int hw_atl_b0_hw_ring_rx_init(struct aq_hw_s *self,
{
u32 dma_desc_addr_lsw = (u32)aq_ring->dx_ring_pa;
u32 dma_desc_addr_msw = (u32)(((u64)aq_ring->dx_ring_pa) >> 32);
+ u32 vlan_rx_stripping = self->aq_nic_cfg->is_vlan_rx_strip;
hw_atl_rdm_rx_desc_en_set(self, false, aq_ring->idx);
@@ -578,7 +581,8 @@ static int hw_atl_b0_hw_ring_rx_init(struct aq_hw_s *self,
hw_atl_rdm_rx_desc_head_buff_size_set(self, 0U, aq_ring->idx);
hw_atl_rdm_rx_desc_head_splitting_set(self, 0U, aq_ring->idx);
- hw_atl_rpo_rx_desc_vlan_stripping_set(self, 0U, aq_ring->idx);
+ hw_atl_rpo_rx_desc_vlan_stripping_set(self, !!vlan_rx_stripping,
+ aq_ring->idx);
/* Rx ring set mode */
--
2.13.6
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