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Date: Wed, 15 Mar 2023 18:13:16 +0100
From: Michal Kubiak <michal.kubiak@...el.com>
To: Praveen Kaligineedi <pkaligineedi@...gle.com>
CC: <netdev@...r.kernel.org>, <davem@...emloft.net>, <kuba@...nel.org>,
<maciej.fijalkowski@...el.com>,
Jeroen de Borst <jeroendb@...gle.com>
Subject: Re: [PATCH net-next v3 1/5] gve: XDP support GQI-QPL: helper
function changes
On Mon, Mar 13, 2023 at 01:26:36PM -0700, Praveen Kaligineedi wrote:
> This patch adds/modifies helper functions needed to add XDP
> support.
>
> Signed-off-by: Praveen Kaligineedi <pkaligineedi@...gle.com>
> Reviewed-by: Jeroen de Borst <jeroendb@...gle.com>
>
Reviewed-by: Michal Kubiak <michal.kubiak@...el.com>
Thanks,
Michal
> ---
> Changed in v2:
> - No changes
>
> Changed in v3:
> - No changes
> ---
>
> drivers/net/ethernet/google/gve/gve.h | 5 +++
> drivers/net/ethernet/google/gve/gve_ethtool.c | 26 +++++++----
> drivers/net/ethernet/google/gve/gve_main.c | 27 +++++++-----
> drivers/net/ethernet/google/gve/gve_rx.c | 2 +-
> drivers/net/ethernet/google/gve/gve_rx_dqo.c | 2 +-
> drivers/net/ethernet/google/gve/gve_tx.c | 43 +++++++++++--------
> drivers/net/ethernet/google/gve/gve_utils.c | 6 +--
> drivers/net/ethernet/google/gve/gve_utils.h | 3 +-
> 8 files changed, 70 insertions(+), 44 deletions(-)
>
> diff --git a/drivers/net/ethernet/google/gve/gve.h b/drivers/net/ethernet/google/gve/gve.h
> index 64eb0442c82f..f52f23198278 100644
> --- a/drivers/net/ethernet/google/gve/gve.h
> +++ b/drivers/net/ethernet/google/gve/gve.h
> @@ -855,6 +855,11 @@ static inline bool gve_is_gqi(struct gve_priv *priv)
> priv->queue_format == GVE_GQI_QPL_FORMAT;
> }
>
> +static inline u32 gve_num_tx_queues(struct gve_priv *priv)
> +{
> + return priv->tx_cfg.num_queues;
> +}
> +
> /* buffers */
> int gve_alloc_page(struct gve_priv *priv, struct device *dev,
> struct page **page, dma_addr_t *dma,
> diff --git a/drivers/net/ethernet/google/gve/gve_ethtool.c b/drivers/net/ethernet/google/gve/gve_ethtool.c
> index ce574d097e28..5b6e31812fae 100644
> --- a/drivers/net/ethernet/google/gve/gve_ethtool.c
> +++ b/drivers/net/ethernet/google/gve/gve_ethtool.c
> @@ -81,8 +81,10 @@ static void gve_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
> {
> struct gve_priv *priv = netdev_priv(netdev);
> char *s = (char *)data;
> + int num_tx_queues;
> int i, j;
>
> + num_tx_queues = gve_num_tx_queues(priv);
> switch (stringset) {
> case ETH_SS_STATS:
> memcpy(s, *gve_gstrings_main_stats,
> @@ -97,7 +99,7 @@ static void gve_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
> }
> }
>
> - for (i = 0; i < priv->tx_cfg.num_queues; i++) {
> + for (i = 0; i < num_tx_queues; i++) {
> for (j = 0; j < NUM_GVE_TX_CNTS; j++) {
> snprintf(s, ETH_GSTRING_LEN,
> gve_gstrings_tx_stats[j], i);
> @@ -124,12 +126,14 @@ static void gve_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
> static int gve_get_sset_count(struct net_device *netdev, int sset)
> {
> struct gve_priv *priv = netdev_priv(netdev);
> + int num_tx_queues;
>
> + num_tx_queues = gve_num_tx_queues(priv);
> switch (sset) {
> case ETH_SS_STATS:
> return GVE_MAIN_STATS_LEN + GVE_ADMINQ_STATS_LEN +
> (priv->rx_cfg.num_queues * NUM_GVE_RX_CNTS) +
> - (priv->tx_cfg.num_queues * NUM_GVE_TX_CNTS);
> + (num_tx_queues * NUM_GVE_TX_CNTS);
> case ETH_SS_PRIV_FLAGS:
> return GVE_PRIV_FLAGS_STR_LEN;
> default:
> @@ -153,18 +157,20 @@ gve_get_ethtool_stats(struct net_device *netdev,
> struct gve_priv *priv;
> bool skip_nic_stats;
> unsigned int start;
> + int num_tx_queues;
> int ring;
> int i, j;
>
> ASSERT_RTNL();
>
> priv = netdev_priv(netdev);
> + num_tx_queues = gve_num_tx_queues(priv);
> report_stats = priv->stats_report->stats;
> rx_qid_to_stats_idx = kmalloc_array(priv->rx_cfg.num_queues,
> sizeof(int), GFP_KERNEL);
> if (!rx_qid_to_stats_idx)
> return;
> - tx_qid_to_stats_idx = kmalloc_array(priv->tx_cfg.num_queues,
> + tx_qid_to_stats_idx = kmalloc_array(num_tx_queues,
> sizeof(int), GFP_KERNEL);
> if (!tx_qid_to_stats_idx) {
> kfree(rx_qid_to_stats_idx);
> @@ -195,7 +201,7 @@ gve_get_ethtool_stats(struct net_device *netdev,
> }
> }
> for (tx_pkts = 0, tx_bytes = 0, tx_dropped = 0, ring = 0;
> - ring < priv->tx_cfg.num_queues; ring++) {
> + ring < num_tx_queues; ring++) {
> if (priv->tx) {
> do {
> start =
> @@ -232,7 +238,7 @@ gve_get_ethtool_stats(struct net_device *netdev,
> i = GVE_MAIN_STATS_LEN;
>
> /* For rx cross-reporting stats, start from nic rx stats in report */
> - base_stats_idx = GVE_TX_STATS_REPORT_NUM * priv->tx_cfg.num_queues +
> + base_stats_idx = GVE_TX_STATS_REPORT_NUM * num_tx_queues +
> GVE_RX_STATS_REPORT_NUM * priv->rx_cfg.num_queues;
> max_stats_idx = NIC_RX_STATS_REPORT_NUM * priv->rx_cfg.num_queues +
> base_stats_idx;
> @@ -298,7 +304,7 @@ gve_get_ethtool_stats(struct net_device *netdev,
>
> /* For tx cross-reporting stats, start from nic tx stats in report */
> base_stats_idx = max_stats_idx;
> - max_stats_idx = NIC_TX_STATS_REPORT_NUM * priv->tx_cfg.num_queues +
> + max_stats_idx = NIC_TX_STATS_REPORT_NUM * num_tx_queues +
> max_stats_idx;
> /* Preprocess the stats report for tx, map queue id to start index */
> skip_nic_stats = false;
> @@ -316,7 +322,7 @@ gve_get_ethtool_stats(struct net_device *netdev,
> }
> /* walk TX rings */
> if (priv->tx) {
> - for (ring = 0; ring < priv->tx_cfg.num_queues; ring++) {
> + for (ring = 0; ring < num_tx_queues; ring++) {
> struct gve_tx_ring *tx = &priv->tx[ring];
>
> if (gve_is_gqi(priv)) {
> @@ -355,7 +361,7 @@ gve_get_ethtool_stats(struct net_device *netdev,
> }
> }
> } else {
> - i += priv->tx_cfg.num_queues * NUM_GVE_TX_CNTS;
> + i += num_tx_queues * NUM_GVE_TX_CNTS;
> }
>
> kfree(rx_qid_to_stats_idx);
> @@ -502,7 +508,9 @@ static int gve_set_priv_flags(struct net_device *netdev, u32 flags)
> {
> struct gve_priv *priv = netdev_priv(netdev);
> u64 ori_flags, new_flags;
> + int num_tx_queues;
>
> + num_tx_queues = gve_num_tx_queues(priv);
> ori_flags = READ_ONCE(priv->ethtool_flags);
> new_flags = ori_flags;
>
> @@ -522,7 +530,7 @@ static int gve_set_priv_flags(struct net_device *netdev, u32 flags)
> /* delete report stats timer. */
> if (!(flags & BIT(0)) && (ori_flags & BIT(0))) {
> int tx_stats_num = GVE_TX_STATS_REPORT_NUM *
> - priv->tx_cfg.num_queues;
> + num_tx_queues;
> int rx_stats_num = GVE_RX_STATS_REPORT_NUM *
> priv->rx_cfg.num_queues;
>
> diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c
> index 07111c241e0e..3cfdeeb74f60 100644
> --- a/drivers/net/ethernet/google/gve/gve_main.c
> +++ b/drivers/net/ethernet/google/gve/gve_main.c
> @@ -90,8 +90,10 @@ static void gve_get_stats(struct net_device *dev, struct rtnl_link_stats64 *s)
> struct gve_priv *priv = netdev_priv(dev);
> unsigned int start;
> u64 packets, bytes;
> + int num_tx_queues;
> int ring;
>
> + num_tx_queues = gve_num_tx_queues(priv);
> if (priv->rx) {
> for (ring = 0; ring < priv->rx_cfg.num_queues; ring++) {
> do {
> @@ -106,7 +108,7 @@ static void gve_get_stats(struct net_device *dev, struct rtnl_link_stats64 *s)
> }
> }
> if (priv->tx) {
> - for (ring = 0; ring < priv->tx_cfg.num_queues; ring++) {
> + for (ring = 0; ring < num_tx_queues; ring++) {
> do {
> start =
> u64_stats_fetch_begin(&priv->tx[ring].statss);
> @@ -180,7 +182,7 @@ static int gve_alloc_stats_report(struct gve_priv *priv)
> int tx_stats_num, rx_stats_num;
>
> tx_stats_num = (GVE_TX_STATS_REPORT_NUM + NIC_TX_STATS_REPORT_NUM) *
> - priv->tx_cfg.num_queues;
> + gve_num_tx_queues(priv);
> rx_stats_num = (GVE_RX_STATS_REPORT_NUM + NIC_RX_STATS_REPORT_NUM) *
> priv->rx_cfg.num_queues;
> priv->stats_report_len = struct_size(priv->stats_report, stats,
> @@ -622,20 +624,21 @@ static int gve_unregister_qpls(struct gve_priv *priv)
>
> static int gve_create_rings(struct gve_priv *priv)
> {
> + int num_tx_queues = gve_num_tx_queues(priv);
> int err;
> int i;
>
> - err = gve_adminq_create_tx_queues(priv, priv->tx_cfg.num_queues);
> + err = gve_adminq_create_tx_queues(priv, num_tx_queues);
> if (err) {
> netif_err(priv, drv, priv->dev, "failed to create %d tx queues\n",
> - priv->tx_cfg.num_queues);
> + num_tx_queues);
> /* This failure will trigger a reset - no need to clean
> * up
> */
> return err;
> }
> netif_dbg(priv, drv, priv->dev, "created %d tx queues\n",
> - priv->tx_cfg.num_queues);
> + num_tx_queues);
>
> err = gve_adminq_create_rx_queues(priv, priv->rx_cfg.num_queues);
> if (err) {
> @@ -675,7 +678,7 @@ static void add_napi_init_sync_stats(struct gve_priv *priv,
> int i;
>
> /* Add tx napi & init sync stats*/
> - for (i = 0; i < priv->tx_cfg.num_queues; i++) {
> + for (i = 0; i < gve_num_tx_queues(priv); i++) {
> int ntfy_idx = gve_tx_idx_to_ntfy(priv, i);
>
> u64_stats_init(&priv->tx[i].statss);
> @@ -753,9 +756,10 @@ static int gve_alloc_rings(struct gve_priv *priv)
>
> static int gve_destroy_rings(struct gve_priv *priv)
> {
> + int num_tx_queues = gve_num_tx_queues(priv);
> int err;
>
> - err = gve_adminq_destroy_tx_queues(priv, priv->tx_cfg.num_queues);
> + err = gve_adminq_destroy_tx_queues(priv, num_tx_queues);
> if (err) {
> netif_err(priv, drv, priv->dev,
> "failed to destroy tx queues\n");
> @@ -784,11 +788,12 @@ static void gve_rx_free_rings(struct gve_priv *priv)
>
> static void gve_free_rings(struct gve_priv *priv)
> {
> + int num_tx_queues = gve_num_tx_queues(priv);
> int ntfy_idx;
> int i;
>
> if (priv->tx) {
> - for (i = 0; i < priv->tx_cfg.num_queues; i++) {
> + for (i = 0; i < num_tx_queues; i++) {
> ntfy_idx = gve_tx_idx_to_ntfy(priv, i);
> gve_remove_napi(priv, ntfy_idx);
> }
> @@ -1118,7 +1123,7 @@ static void gve_turndown(struct gve_priv *priv)
> return;
>
> /* Disable napi to prevent more work from coming in */
> - for (idx = 0; idx < priv->tx_cfg.num_queues; idx++) {
> + for (idx = 0; idx < gve_num_tx_queues(priv); idx++) {
> int ntfy_idx = gve_tx_idx_to_ntfy(priv, idx);
> struct gve_notify_block *block = &priv->ntfy_blocks[ntfy_idx];
>
> @@ -1146,7 +1151,7 @@ static void gve_turnup(struct gve_priv *priv)
> netif_tx_start_all_queues(priv->dev);
>
> /* Enable napi and unmask interrupts for all queues */
> - for (idx = 0; idx < priv->tx_cfg.num_queues; idx++) {
> + for (idx = 0; idx < gve_num_tx_queues(priv); idx++) {
> int ntfy_idx = gve_tx_idx_to_ntfy(priv, idx);
> struct gve_notify_block *block = &priv->ntfy_blocks[ntfy_idx];
>
> @@ -1306,7 +1311,7 @@ void gve_handle_report_stats(struct gve_priv *priv)
> be64_add_cpu(&priv->stats_report->written_count, 1);
> /* tx stats */
> if (priv->tx) {
> - for (idx = 0; idx < priv->tx_cfg.num_queues; idx++) {
> + for (idx = 0; idx < gve_num_tx_queues(priv); idx++) {
> u32 last_completion = 0;
> u32 tx_frames = 0;
>
> diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c
> index 1f55137722b0..db1c74b1d7d3 100644
> --- a/drivers/net/ethernet/google/gve/gve_rx.c
> +++ b/drivers/net/ethernet/google/gve/gve_rx.c
> @@ -556,7 +556,7 @@ static struct sk_buff *gve_rx_skb(struct gve_priv *priv, struct gve_rx_ring *rx,
>
> if (len <= priv->rx_copybreak && is_only_frag) {
> /* Just copy small packets */
> - skb = gve_rx_copy(netdev, napi, page_info, len, GVE_RX_PAD);
> + skb = gve_rx_copy(netdev, napi, page_info, len);
> if (skb) {
> u64_stats_update_begin(&rx->statss);
> rx->rx_copied_pkt++;
> diff --git a/drivers/net/ethernet/google/gve/gve_rx_dqo.c b/drivers/net/ethernet/google/gve/gve_rx_dqo.c
> index 630f42a3037b..e57b73eb70f6 100644
> --- a/drivers/net/ethernet/google/gve/gve_rx_dqo.c
> +++ b/drivers/net/ethernet/google/gve/gve_rx_dqo.c
> @@ -568,7 +568,7 @@ static int gve_rx_dqo(struct napi_struct *napi, struct gve_rx_ring *rx,
>
> if (eop && buf_len <= priv->rx_copybreak) {
> rx->ctx.skb_head = gve_rx_copy(priv->dev, napi,
> - &buf_state->page_info, buf_len, 0);
> + &buf_state->page_info, buf_len);
> if (unlikely(!rx->ctx.skb_head))
> goto error;
> rx->ctx.skb_tail = rx->ctx.skb_head;
> diff --git a/drivers/net/ethernet/google/gve/gve_tx.c b/drivers/net/ethernet/google/gve/gve_tx.c
> index 4888bf05fbed..0fb052ce9e0b 100644
> --- a/drivers/net/ethernet/google/gve/gve_tx.c
> +++ b/drivers/net/ethernet/google/gve/gve_tx.c
> @@ -374,18 +374,18 @@ static int gve_maybe_stop_tx(struct gve_priv *priv, struct gve_tx_ring *tx,
> }
>
> static void gve_tx_fill_pkt_desc(union gve_tx_desc *pkt_desc,
> - struct sk_buff *skb, bool is_gso,
> + u16 csum_offset, u8 ip_summed, bool is_gso,
> int l4_hdr_offset, u32 desc_cnt,
> - u16 hlen, u64 addr)
> + u16 hlen, u64 addr, u16 pkt_len)
> {
> /* l4_hdr_offset and csum_offset are in units of 16-bit words */
> if (is_gso) {
> pkt_desc->pkt.type_flags = GVE_TXD_TSO | GVE_TXF_L4CSUM;
> - pkt_desc->pkt.l4_csum_offset = skb->csum_offset >> 1;
> + pkt_desc->pkt.l4_csum_offset = csum_offset >> 1;
> pkt_desc->pkt.l4_hdr_offset = l4_hdr_offset >> 1;
> - } else if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
> + } else if (likely(ip_summed == CHECKSUM_PARTIAL)) {
> pkt_desc->pkt.type_flags = GVE_TXD_STD | GVE_TXF_L4CSUM;
> - pkt_desc->pkt.l4_csum_offset = skb->csum_offset >> 1;
> + pkt_desc->pkt.l4_csum_offset = csum_offset >> 1;
> pkt_desc->pkt.l4_hdr_offset = l4_hdr_offset >> 1;
> } else {
> pkt_desc->pkt.type_flags = GVE_TXD_STD;
> @@ -393,7 +393,7 @@ static void gve_tx_fill_pkt_desc(union gve_tx_desc *pkt_desc,
> pkt_desc->pkt.l4_hdr_offset = 0;
> }
> pkt_desc->pkt.desc_cnt = desc_cnt;
> - pkt_desc->pkt.len = cpu_to_be16(skb->len);
> + pkt_desc->pkt.len = cpu_to_be16(pkt_len);
> pkt_desc->pkt.seg_len = cpu_to_be16(hlen);
> pkt_desc->pkt.seg_addr = cpu_to_be64(addr);
> }
> @@ -412,15 +412,16 @@ static void gve_tx_fill_mtd_desc(union gve_tx_desc *mtd_desc,
> }
>
> static void gve_tx_fill_seg_desc(union gve_tx_desc *seg_desc,
> - struct sk_buff *skb, bool is_gso,
> + u16 l3_offset, u16 gso_size,
> + bool is_gso_v6, bool is_gso,
> u16 len, u64 addr)
> {
> seg_desc->seg.type_flags = GVE_TXD_SEG;
> if (is_gso) {
> - if (skb_is_gso_v6(skb))
> + if (is_gso_v6)
> seg_desc->seg.type_flags |= GVE_TXSF_IPV6;
> - seg_desc->seg.l3_offset = skb_network_offset(skb) >> 1;
> - seg_desc->seg.mss = cpu_to_be16(skb_shinfo(skb)->gso_size);
> + seg_desc->seg.l3_offset = l3_offset >> 1;
> + seg_desc->seg.mss = cpu_to_be16(gso_size);
> }
> seg_desc->seg.seg_len = cpu_to_be16(len);
> seg_desc->seg.seg_addr = cpu_to_be64(addr);
> @@ -473,9 +474,10 @@ static int gve_tx_add_skb_copy(struct gve_priv *priv, struct gve_tx_ring *tx, st
> payload_nfrags = gve_tx_alloc_fifo(&tx->tx_fifo, skb->len - hlen,
> &info->iov[payload_iov]);
>
> - gve_tx_fill_pkt_desc(pkt_desc, skb, is_gso, l4_hdr_offset,
> + gve_tx_fill_pkt_desc(pkt_desc, skb->csum_offset, skb->ip_summed,
> + is_gso, l4_hdr_offset,
> 1 + mtd_desc_nr + payload_nfrags, hlen,
> - info->iov[hdr_nfrags - 1].iov_offset);
> + info->iov[hdr_nfrags - 1].iov_offset, skb->len);
>
> skb_copy_bits(skb, 0,
> tx->tx_fifo.base + info->iov[hdr_nfrags - 1].iov_offset,
> @@ -494,7 +496,9 @@ static int gve_tx_add_skb_copy(struct gve_priv *priv, struct gve_tx_ring *tx, st
> next_idx = (tx->req + 1 + mtd_desc_nr + i - payload_iov) & tx->mask;
> seg_desc = &tx->desc[next_idx];
>
> - gve_tx_fill_seg_desc(seg_desc, skb, is_gso,
> + gve_tx_fill_seg_desc(seg_desc, skb_network_offset(skb),
> + skb_shinfo(skb)->gso_size,
> + skb_is_gso_v6(skb), is_gso,
> info->iov[i].iov_len,
> info->iov[i].iov_offset);
>
> @@ -552,8 +556,9 @@ static int gve_tx_add_skb_no_copy(struct gve_priv *priv, struct gve_tx_ring *tx,
> if (mtd_desc_nr)
> num_descriptors++;
>
> - gve_tx_fill_pkt_desc(pkt_desc, skb, is_gso, l4_hdr_offset,
> - num_descriptors, hlen, addr);
> + gve_tx_fill_pkt_desc(pkt_desc, skb->csum_offset, skb->ip_summed,
> + is_gso, l4_hdr_offset,
> + num_descriptors, hlen, addr, skb->len);
>
> if (mtd_desc_nr) {
> idx = (idx + 1) & tx->mask;
> @@ -569,7 +574,9 @@ static int gve_tx_add_skb_no_copy(struct gve_priv *priv, struct gve_tx_ring *tx,
> addr += hlen;
> idx = (idx + 1) & tx->mask;
> seg_desc = &tx->desc[idx];
> - gve_tx_fill_seg_desc(seg_desc, skb, is_gso, len, addr);
> + gve_tx_fill_seg_desc(seg_desc, skb_network_offset(skb),
> + skb_shinfo(skb)->gso_size,
> + skb_is_gso_v6(skb), is_gso, len, addr);
> }
>
> for (i = 0; i < shinfo->nr_frags; i++) {
> @@ -587,7 +594,9 @@ static int gve_tx_add_skb_no_copy(struct gve_priv *priv, struct gve_tx_ring *tx,
> dma_unmap_len_set(&tx->info[idx], len, len);
> dma_unmap_addr_set(&tx->info[idx], dma, addr);
>
> - gve_tx_fill_seg_desc(seg_desc, skb, is_gso, len, addr);
> + gve_tx_fill_seg_desc(seg_desc, skb_network_offset(skb),
> + skb_shinfo(skb)->gso_size,
> + skb_is_gso_v6(skb), is_gso, len, addr);
> }
>
> return num_descriptors;
> diff --git a/drivers/net/ethernet/google/gve/gve_utils.c b/drivers/net/ethernet/google/gve/gve_utils.c
> index 6ba46adaaee3..26e08d753270 100644
> --- a/drivers/net/ethernet/google/gve/gve_utils.c
> +++ b/drivers/net/ethernet/google/gve/gve_utils.c
> @@ -49,10 +49,10 @@ void gve_rx_add_to_block(struct gve_priv *priv, int queue_idx)
> }
>
> struct sk_buff *gve_rx_copy(struct net_device *dev, struct napi_struct *napi,
> - struct gve_rx_slot_page_info *page_info, u16 len,
> - u16 padding)
> + struct gve_rx_slot_page_info *page_info, u16 len)
> {
> - void *va = page_info->page_address + padding + page_info->page_offset;
> + void *va = page_info->page_address + page_info->page_offset +
> + page_info->pad;
> struct sk_buff *skb;
>
> skb = napi_alloc_skb(napi, len);
> diff --git a/drivers/net/ethernet/google/gve/gve_utils.h b/drivers/net/ethernet/google/gve/gve_utils.h
> index 79595940b351..324fd98a6112 100644
> --- a/drivers/net/ethernet/google/gve/gve_utils.h
> +++ b/drivers/net/ethernet/google/gve/gve_utils.h
> @@ -18,8 +18,7 @@ void gve_rx_remove_from_block(struct gve_priv *priv, int queue_idx);
> void gve_rx_add_to_block(struct gve_priv *priv, int queue_idx);
>
> struct sk_buff *gve_rx_copy(struct net_device *dev, struct napi_struct *napi,
> - struct gve_rx_slot_page_info *page_info, u16 len,
> - u16 pad);
> + struct gve_rx_slot_page_info *page_info, u16 len);
>
> /* Decrement pagecnt_bias. Set it back to INT_MAX if it reached zero. */
> void gve_dec_pagecnt_bias(struct gve_rx_slot_page_info *page_info);
> --
> 2.40.0.rc1.284.g88254d51c5-goog
>
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