diff mbox

[net-next,2/9] nfp: rename l4_offset in struct nfp_net_tx_desc to lso_hdrlen

Message ID 20170516005523.26124-3-jakub.kicinski@netronome.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Jakub Kicinski May 16, 2017, 12:55 a.m. UTC 
From: Edwin Peer <edwin.peer@netronome.com>

The l4_offset field referred to by NFD is confusingly named. It is not the
offset of the L4 transport header, but rather the L4 payload.

The LSO2 capability supported by alternative device firmware requires
the actual L4 offset, thus the rename seems prudent.

Signed-off-by: Edwin Peer <edwin.peer@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
---
 drivers/net/ethernet/netronome/nfp/nfp_net.h        | 2 +-
 drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)
diff mbox

Patch

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h
index fcf81b3be830..6bad11e5b845 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h
@@ -153,7 +153,7 @@  struct nfp_net_tx_desc {
 			__le32 dma_addr_lo; /* Low 32bit of host buf addr */
 
 			__le16 mss;	/* MSS to be used for LSO */
-			u8 l4_offset;	/* LSO, where the L4 data starts */
+			u8 lso_hdrlen;	/* LSO, TCP payload offset */
 			u8 flags;	/* TX Flags, see @PCIE_DESC_TX_* */
 
 			__le16 vlan;	/* VLAN tag to add if indicated */
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 76251a09a1f3..0cebe9098451 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -677,7 +677,7 @@  static void nfp_net_tx_tso(struct nfp_net_r_vector *r_vec,
 	txbuf->real_len += hdrlen * (txbuf->pkt_cnt - 1);
 
 	mss = skb_shinfo(skb)->gso_size & PCIE_DESC_TX_MSS_MASK;
-	txd->l4_offset = hdrlen;
+	txd->lso_hdrlen = hdrlen;
 	txd->mss = cpu_to_le16(mss);
 	txd->flags |= PCIE_DESC_TX_LSO;
 
@@ -823,7 +823,7 @@  static int nfp_net_tx(struct sk_buff *skb, struct net_device *netdev)
 
 	txd->flags = 0;
 	txd->mss = 0;
-	txd->l4_offset = 0;
+	txd->lso_hdrlen = 0;
 
 	nfp_net_tx_tso(r_vec, txbuf, txd, skb);
 
@@ -1515,7 +1515,7 @@  nfp_net_tx_xdp_buf(struct nfp_net_dp *dp, struct nfp_net_rx_ring *rx_ring,
 
 	txd->flags = 0;
 	txd->mss = 0;
-	txd->l4_offset = 0;
+	txd->lso_hdrlen = 0;
 
 	tx_ring->wr_p++;
 	tx_ring->wr_ptr_add++;