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-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.c34
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.h1
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_txrx.c35
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_txrx.h1
4 files changed, 45 insertions, 26 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 5b591b865fd5..6b08b0fa6dcf 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -2387,10 +2387,10 @@ static int i40e_tsyn(struct i40e_ring *tx_ring, struct sk_buff *skb,
* @tx_ring: Tx descriptor ring
* @cd_tunneling: ptr to context desc bits
**/
-static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags,
- u32 *td_cmd, u32 *td_offset,
- struct i40e_ring *tx_ring,
- u32 *cd_tunneling)
+static int i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags,
+ u32 *td_cmd, u32 *td_offset,
+ struct i40e_ring *tx_ring,
+ u32 *cd_tunneling)
{
union {
struct iphdr *v4;
@@ -2407,6 +2407,9 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags,
__be16 frag_off;
u8 l4_proto = 0;
+ if (skb->ip_summed != CHECKSUM_PARTIAL)
+ return 0;
+
ip.hdr = skb_network_header(skb);
l4.hdr = skb_transport_header(skb);
@@ -2449,7 +2452,11 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags,
*tx_flags |= I40E_TX_FLAGS_UDP_TUNNEL;
break;
default:
- return;
+ if (*tx_flags & I40E_TX_FLAGS_TSO)
+ return -1;
+
+ skb_checksum_help(skb);
+ return 0;
}
/* compute tunnel header size */
@@ -2513,11 +2520,16 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags,
I40E_TX_DESC_LENGTH_L4_FC_LEN_SHIFT;
break;
default:
- break;
+ if (*tx_flags & I40E_TX_FLAGS_TSO)
+ return -1;
+ skb_checksum_help(skb);
+ return 0;
}
*td_cmd |= cmd;
*td_offset |= offset;
+
+ return 1;
}
/**
@@ -2954,12 +2966,10 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb,
td_cmd |= I40E_TX_DESC_CMD_ICRC;
/* Always offload the checksum, since it's in the data descriptor */
- if (skb->ip_summed == CHECKSUM_PARTIAL) {
- tx_flags |= I40E_TX_FLAGS_CSUM;
-
- i40e_tx_enable_csum(skb, &tx_flags, &td_cmd, &td_offset,
- tx_ring, &cd_tunneling);
- }
+ tso = i40e_tx_enable_csum(skb, &tx_flags, &td_cmd, &td_offset,
+ tx_ring, &cd_tunneling);
+ if (tso < 0)
+ goto out_drop;
i40e_create_tx_ctx(tx_ring, cd_type_cmd_tso_mss,
cd_tunneling, cd_l2tag2);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
index fb065d4fe15c..fde5f42524fb 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
@@ -153,7 +153,6 @@ enum i40e_dyn_idx_t {
#define DESC_NEEDED (MAX_SKB_FRAGS + 4)
#define I40E_MIN_DESC_PENDING 4
-#define I40E_TX_FLAGS_CSUM BIT(0)
#define I40E_TX_FLAGS_HW_VLAN BIT(1)
#define I40E_TX_FLAGS_SW_VLAN BIT(2)
#define I40E_TX_FLAGS_TSO BIT(3)
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index 0ee13f6619c4..143c5703f54e 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
@@ -1602,12 +1602,13 @@ static int i40e_tso(struct i40e_ring *tx_ring, struct sk_buff *skb,
* @tx_flags: pointer to Tx flags currently set
* @td_cmd: Tx descriptor command bits to set
* @td_offset: Tx descriptor header offsets to set
+ * @tx_ring: Tx descriptor ring
* @cd_tunneling: ptr to context desc bits
**/
-static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags,
- u32 *td_cmd, u32 *td_offset,
- struct i40e_ring *tx_ring,
- u32 *cd_tunneling)
+static int i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags,
+ u32 *td_cmd, u32 *td_offset,
+ struct i40e_ring *tx_ring,
+ u32 *cd_tunneling)
{
union {
struct iphdr *v4;
@@ -1624,6 +1625,9 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags,
__be16 frag_off;
u8 l4_proto = 0;
+ if (skb->ip_summed != CHECKSUM_PARTIAL)
+ return 0;
+
ip.hdr = skb_network_header(skb);
l4.hdr = skb_transport_header(skb);
@@ -1666,7 +1670,11 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags,
*tx_flags |= I40E_TX_FLAGS_VXLAN_TUNNEL;
break;
default:
- return;
+ if (*tx_flags & I40E_TX_FLAGS_TSO)
+ return -1;
+
+ skb_checksum_help(skb);
+ return 0;
}
/* compute tunnel header size */
@@ -1730,11 +1738,16 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags,
I40E_TX_DESC_LENGTH_L4_FC_LEN_SHIFT;
break;
default:
- break;
+ if (*tx_flags & I40E_TX_FLAGS_TSO)
+ return -1;
+ skb_checksum_help(skb);
+ return 0;
}
*td_cmd |= cmd;
*td_offset |= offset;
+
+ return 1;
}
/**
@@ -2150,12 +2163,10 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb,
td_cmd |= I40E_TX_DESC_CMD_ICRC;
/* Always offload the checksum, since it's in the data descriptor */
- if (skb->ip_summed == CHECKSUM_PARTIAL) {
- tx_flags |= I40E_TX_FLAGS_CSUM;
-
- i40e_tx_enable_csum(skb, &tx_flags, &td_cmd, &td_offset,
- tx_ring, &cd_tunneling);
- }
+ tso = i40e_tx_enable_csum(skb, &tx_flags, &td_cmd, &td_offset,
+ tx_ring, &cd_tunneling);
+ if (tso < 0)
+ goto out_drop;
i40e_create_tx_ctx(tx_ring, cd_type_cmd_tso_mss,
cd_tunneling, cd_l2tag2);
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h
index 043b9556834f..6ea8701cf066 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h
@@ -153,7 +153,6 @@ enum i40e_dyn_idx_t {
#define DESC_NEEDED (MAX_SKB_FRAGS + 4)
#define I40E_MIN_DESC_PENDING 4
-#define I40E_TX_FLAGS_CSUM BIT(0)
#define I40E_TX_FLAGS_HW_VLAN BIT(1)
#define I40E_TX_FLAGS_SW_VLAN BIT(2)
#define I40E_TX_FLAGS_TSO BIT(3)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 16:48:10 +0000