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authorPaolo Abeni <pabeni@redhat.com>2022-12-13 09:24:49 +0100
committerPaolo Abeni <pabeni@redhat.com>2022-12-13 09:49:29 +0100
commitb11919e1bb7f6f6273f5a33947b8496da2769eb8 (patch)
treef2ff877b9b0363f8fc97f1c94316f763904ec41f /drivers/net/ethernet/intel/i40e/i40e_main.c
parentd1c722867f8022a27182b9a1d84e9bca75486c9a (diff)
parente095493091e850d5292ad01d8fbf5cde1d89ac53 (diff)
downloadlinux-next-b11919e1bb7f6f6273f5a33947b8496da2769eb8.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in the left-over fixes before the net-next pull-request. net/mptcp/subflow.c d3295fee3c75 ("mptcp: use proper req destructor for IPv6") 36b122baf6a8 ("mptcp: add subflow_v(4,6)_send_synack()") Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_main.c')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c36
1 files changed, 24 insertions, 12 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 6d2e3025c231..94feea3b2599 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -3694,6 +3694,24 @@ static int i40e_vsi_configure_tx(struct i40e_vsi *vsi)
}
/**
+ * i40e_calculate_vsi_rx_buf_len - Calculates buffer length
+ *
+ * @vsi: VSI to calculate rx_buf_len from
+ */
+static u16 i40e_calculate_vsi_rx_buf_len(struct i40e_vsi *vsi)
+{
+ if (!vsi->netdev || (vsi->back->flags & I40E_FLAG_LEGACY_RX))
+ return I40E_RXBUFFER_2048;
+
+#if (PAGE_SIZE < 8192)
+ if (!I40E_2K_TOO_SMALL_WITH_PADDING && vsi->netdev->mtu <= ETH_DATA_LEN)
+ return I40E_RXBUFFER_1536 - NET_IP_ALIGN;
+#endif
+
+ return PAGE_SIZE < 8192 ? I40E_RXBUFFER_3072 : I40E_RXBUFFER_2048;
+}
+
+/**
* i40e_vsi_configure_rx - Configure the VSI for Rx
* @vsi: the VSI being configured
*
@@ -3704,20 +3722,14 @@ static int i40e_vsi_configure_rx(struct i40e_vsi *vsi)
int err = 0;
u16 i;
- if (!vsi->netdev || (vsi->back->flags & I40E_FLAG_LEGACY_RX)) {
- vsi->max_frame = I40E_MAX_RXBUFFER;
- vsi->rx_buf_len = I40E_RXBUFFER_2048;
+ vsi->max_frame = I40E_MAX_RXBUFFER;
+ vsi->rx_buf_len = i40e_calculate_vsi_rx_buf_len(vsi);
+
#if (PAGE_SIZE < 8192)
- } else if (!I40E_2K_TOO_SMALL_WITH_PADDING &&
- (vsi->netdev->mtu <= ETH_DATA_LEN)) {
+ if (vsi->netdev && !I40E_2K_TOO_SMALL_WITH_PADDING &&
+ vsi->netdev->mtu <= ETH_DATA_LEN)
vsi->max_frame = I40E_RXBUFFER_1536 - NET_IP_ALIGN;
- vsi->rx_buf_len = I40E_RXBUFFER_1536 - NET_IP_ALIGN;
#endif
- } else {
- vsi->max_frame = I40E_MAX_RXBUFFER;
- vsi->rx_buf_len = (PAGE_SIZE < 8192) ? I40E_RXBUFFER_3072 :
- I40E_RXBUFFER_2048;
- }
/* set up individual rings */
for (i = 0; i < vsi->num_queue_pairs && !err; i++)
@@ -13309,7 +13321,7 @@ static int i40e_xdp_setup(struct i40e_vsi *vsi, struct bpf_prog *prog,
int i;
/* Don't allow frames that span over multiple buffers */
- if (frame_size > vsi->rx_buf_len) {
+ if (frame_size > i40e_calculate_vsi_rx_buf_len(vsi)) {
NL_SET_ERR_MSG_MOD(extack, "MTU too large to enable XDP");
return -EINVAL;
}