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net: move HDS config from ethtool state

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Separate the HDS config from the ethtool state struct.
The HDS config contains just simple parameters, not state.
Having it as a separate struct will make it easier to clone / copy
and also long term potentially make it per-queue.

Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20250119020518.1962249-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski
2025-01-18 18:05:11 -08:00
parent e81fdf7078
commit 3c836451ca
10 changed files with 43 additions and 24 deletions
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10
drivers/net/netdevsim/netdev.c
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@@ -55,10 +55,10 @@ static int nsim_forward_skb(struct net_device *dev, struct sk_buff *skb,
static netdev_tx_t nsim_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct netdevsim *ns = netdev_priv(dev);
struct ethtool_netdev_state *ethtool;
struct net_device *peer_dev;
unsigned int len = skb->len;
struct netdevsim *peer_ns;
struct netdev_config *cfg;
struct nsim_rq *rq;
int rxq;
@@ -76,11 +76,11 @@ static netdev_tx_t nsim_start_xmit(struct sk_buff *skb, struct net_device *dev)
rxq = rxq % peer_dev->num_rx_queues;
rq = peer_ns->rq[rxq];
ethtool = peer_dev->ethtool;
cfg = peer_dev->cfg;
if (skb_is_nonlinear(skb) &&
(ethtool->hds_config != ETHTOOL_TCP_DATA_SPLIT_ENABLED ||
(ethtool->hds_config == ETHTOOL_TCP_DATA_SPLIT_ENABLED &&
ethtool->hds_thresh > len)))
(cfg->hds_config != ETHTOOL_TCP_DATA_SPLIT_ENABLED ||
(cfg->hds_config == ETHTOOL_TCP_DATA_SPLIT_ENABLED &&
cfg->hds_thresh > len)))
skb_linearize(skb);
skb_tx_timestamp(skb);