summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40e_txrx.c')
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_txrx.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index b53333a4e10b..4ca40651a228 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
@@ -411,7 +411,7 @@ static bool i40e_set_new_dynamic_itr(struct i40e_ring_container *rc)
return false;
}
-/*
+/**
* i40evf_setup_tx_descriptors - Allocate the Tx descriptors
* @tx_ring: the tx ring to set up
*
@@ -1259,10 +1259,12 @@ static inline void i40e_update_enable_itr(struct i40e_vsi *vsi,
rx = i40e_set_new_dynamic_itr(&q_vector->rx);
rxval = i40e_buildreg_itr(I40E_RX_ITR, q_vector->rx.itr);
}
+
if (ITR_IS_DYNAMIC(vsi->tx_itr_setting)) {
tx = i40e_set_new_dynamic_itr(&q_vector->tx);
txval = i40e_buildreg_itr(I40E_TX_ITR, q_vector->tx.itr);
}
+
if (rx || tx) {
/* get the higher of the two ITR adjustments and
* use the same value for both ITR registers
@@ -1298,7 +1300,6 @@ enable_int:
q_vector->itr_countdown--;
else
q_vector->itr_countdown = ITR_COUNTDOWN_START;
-
}
/**
@@ -1552,7 +1553,6 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags,
*tx_flags |= I40E_TX_FLAGS_IPV6;
}
-
if ((tx_ring->flags & I40E_TXR_FLAGS_OUTER_UDP_CSUM) &&
(l4_tunnel == I40E_TXD_CTX_UDP_TUNNELING) &&
(*cd_tunneling & I40E_TXD_CTX_QW0_EXT_IP_MASK)) {
@@ -1651,7 +1651,7 @@ static void i40e_create_tx_ctx(struct i40e_ring *tx_ring,
context_desc->type_cmd_tso_mss = cpu_to_le64(cd_type_cmd_tso_mss);
}
- /**
+/**
* i40e_chk_linearize - Check if there are more than 8 fragments per packet
* @skb: send buffer
* @tx_flags: collected send information
@@ -1847,7 +1847,6 @@ static inline void i40evf_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb,
tx_bi = &tx_ring->tx_bi[i];
}
-#define WB_STRIDE 0x3
/* set next_to_watch value indicating a packet is present */
first->next_to_watch = tx_desc;
@@ -1874,12 +1873,6 @@ static inline void i40evf_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb,
* update tail and set RS bit on every packet.
* if xmit_more is false and last_xmit_more was true
* update tail and set RS bit.
- * else (kernel < 3.18)
- * if every packet spanned less than 4 desc
- * then set RS bit on 4th packet and update tail
- * on every packet
- * else
- * set RS bit on EOP for every packet and update tail
*
* Optimization: wmb to be issued only in case of tail update.
* Also optimize the Descriptor WB path for RS bit with the same