net/mlx5e: RX, Re-work initializaiton of RX function pointers

Instead of exposing the RQ datapath handlers (from en_rx.c) so that
they are set in the control path (in en_main.c), wrap this logic
in a single function in en_rx.c and expose it alone.

Every profile will now have a pointer to the new mlx5e_rx_handlers
structure, instead of directly pointing to the previously-exposed
RQ handlers.

This significantly improves locality and modularity of the driver,
and allows many functions in en_rx.c to become static.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/en.h

@@ -530,6 +530,8 @@ typedef struct sk_buff *
 typedef bool (*mlx5e_fp_post_rx_wqes)(struct mlx5e_rq *rq);
 typedef void (*mlx5e_fp_dealloc_wqe)(struct mlx5e_rq*, u16);
 
+int mlx5e_rq_set_handlers(struct mlx5e_rq *rq, struct mlx5e_params *params, bool xsk);
+
 enum mlx5e_rq_flag {
 	MLX5E_RQ_FLAG_XDP_XMIT,
 	MLX5E_RQ_FLAG_XDP_REDIRECT,
@@ -812,6 +814,13 @@ struct mlx5e_priv {
 	struct mlx5e_scratchpad    scratchpad;
 };
 
+struct mlx5e_rx_handlers {
+	mlx5e_fp_handle_rx_cqe handle_rx_cqe;
+	mlx5e_fp_handle_rx_cqe handle_rx_cqe_mpwqe;
+};
+
+extern const struct mlx5e_rx_handlers mlx5e_rx_handlers_nic;
+
 struct mlx5e_profile {
 	int	(*init)(struct mlx5_core_dev *mdev,
 			struct net_device *netdev,
@@ -828,10 +837,7 @@ struct mlx5e_profile {
 	void	(*update_carrier)(struct mlx5e_priv *priv);
 	unsigned int (*stats_grps_num)(struct mlx5e_priv *priv);
 	mlx5e_stats_grp_t *stats_grps;
-	struct {
-		mlx5e_fp_handle_rx_cqe handle_rx_cqe;
-		mlx5e_fp_handle_rx_cqe handle_rx_cqe_mpwqe;
-	} rx_handlers;
+	const struct mlx5e_rx_handlers *rx_handlers;
 	int	max_tc;
 	u8	rq_groups;
 };
@@ -860,26 +866,9 @@ void mlx5e_page_dma_unmap(struct mlx5e_rq *rq, struct mlx5e_dma_info *dma_info);
 void mlx5e_page_release_dynamic(struct mlx5e_rq *rq,
 				struct mlx5e_dma_info *dma_info,
 				bool recycle);
-void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
-void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
 bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq);
 int mlx5e_poll_ico_cq(struct mlx5e_cq *cq);
 bool mlx5e_post_rx_mpwqes(struct mlx5e_rq *rq);
-void mlx5e_dealloc_rx_wqe(struct mlx5e_rq *rq, u16 ix);
-void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix);
-struct sk_buff *
-mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
-				u16 cqe_bcnt, u32 head_offset, u32 page_idx);
-struct sk_buff *
-mlx5e_skb_from_cqe_mpwrq_nonlinear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
-				   u16 cqe_bcnt, u32 head_offset, u32 page_idx);
-struct sk_buff *
-mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
-			  struct mlx5e_wqe_frag_info *wi, u32 cqe_bcnt);
-struct sk_buff *
-mlx5e_skb_from_cqe_nonlinear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
-			     struct mlx5e_wqe_frag_info *wi, u32 cqe_bcnt);
-
 void mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats);
 void mlx5e_fold_sw_stats64(struct mlx5e_priv *priv, struct rtnl_link_stats64 *s);
 

drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h

@@ -47,7 +47,6 @@
 
 struct sk_buff *mlx5e_ipsec_handle_rx_skb(struct net_device *netdev,
 					  struct sk_buff *skb, u32 *cqe_bcnt);
-void mlx5e_ipsec_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
 
 void mlx5e_ipsec_inverse_table_init(void);
 bool mlx5e_ipsec_feature_check(struct sk_buff *skb, struct net_device *netdev,

drivers/net/ethernet/mellanox/mlx5/core/en_main.c

@@ -45,7 +45,6 @@
 #include "en_tc.h"
 #include "en_rep.h"
 #include "en_accel/ipsec.h"
-#include "en_accel/ipsec_rxtx.h"
 #include "en_accel/en_accel.h"
 #include "en_accel/tls.h"
 #include "accel/ipsec.h"
@@ -65,7 +64,6 @@
 #include "en/hv_vhca_stats.h"
 #include "en/devlink.h"
 #include "lib/mlx5.h"
-#include "fpga/ipsec.h"
 
 bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev)
 {
@@ -428,29 +426,6 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
 		pool_size = MLX5_MPWRQ_PAGES_PER_WQE <<
 			mlx5e_mpwqe_get_log_rq_size(params, xsk);
 
-		rq->post_wqes = mlx5e_post_rx_mpwqes;
-		rq->dealloc_wqe = mlx5e_dealloc_rx_mpwqe;
-
-		rq->handle_rx_cqe = c->priv->profile->rx_handlers.handle_rx_cqe_mpwqe;
-#ifdef CONFIG_MLX5_EN_IPSEC
-		if (MLX5_IPSEC_DEV(mdev)) {
-			err = -EINVAL;
-			netdev_err(c->netdev, "MPWQE RQ with IPSec offload not supported\n");
-			goto err_rq_wq_destroy;
-		}
-#endif
-		if (!rq->handle_rx_cqe) {
-			err = -EINVAL;
-			netdev_err(c->netdev, "RX handler of MPWQE RQ is not set, err %d\n", err);
-			goto err_rq_wq_destroy;
-		}
-
-		rq->mpwqe.skb_from_cqe_mpwrq = xsk ?
-			mlx5e_xsk_skb_from_cqe_mpwrq_linear :
-			mlx5e_rx_mpwqe_is_linear_skb(mdev, params, NULL) ?
-				mlx5e_skb_from_cqe_mpwrq_linear :
-				mlx5e_skb_from_cqe_mpwrq_nonlinear;
-
 		rq->mpwqe.log_stride_sz = mlx5e_mpwqe_get_log_stride_size(mdev, params, xsk);
 		rq->mpwqe.num_strides =
 			BIT(mlx5e_mpwqe_get_log_num_strides(mdev, params, xsk));
@@ -492,30 +467,13 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
 		if (err)
 			goto err_free;
 
-		rq->post_wqes = mlx5e_post_rx_wqes;
-		rq->dealloc_wqe = mlx5e_dealloc_rx_wqe;
-
-#ifdef CONFIG_MLX5_EN_IPSEC
-		if ((mlx5_fpga_ipsec_device_caps(mdev) & MLX5_ACCEL_IPSEC_CAP_DEVICE) &&
-		    c->priv->ipsec)
-			rq->handle_rx_cqe = mlx5e_ipsec_handle_rx_cqe;
-		else
-#endif
-			rq->handle_rx_cqe = c->priv->profile->rx_handlers.handle_rx_cqe;
-		if (!rq->handle_rx_cqe) {
-			err = -EINVAL;
-			netdev_err(c->netdev, "RX handler of RQ is not set, err %d\n", err);
-			goto err_free;
-		}
-
-		rq->wqe.skb_from_cqe = xsk ?
-			mlx5e_xsk_skb_from_cqe_linear :
-			mlx5e_rx_is_linear_skb(params, NULL) ?
-				mlx5e_skb_from_cqe_linear :
-				mlx5e_skb_from_cqe_nonlinear;
 		rq->mkey_be = c->mkey_be;
 	}
 
+	err = mlx5e_rq_set_handlers(rq, params, xsk);
+	if (err)
+		goto err_free;
+
 	if (xsk) {
 		err = xdp_rxq_info_reg_mem_model(&rq->xdp_rxq,
 						 MEM_TYPE_XSK_BUFF_POOL, NULL);
@@ -5288,8 +5246,7 @@ static const struct mlx5e_profile mlx5e_nic_profile = {
 	.update_rx	   = mlx5e_update_nic_rx,
 	.update_stats	   = mlx5e_update_ndo_stats,
 	.update_carrier	   = mlx5e_update_carrier,
-	.rx_handlers.handle_rx_cqe       = mlx5e_handle_rx_cqe,
-	.rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq,
+	.rx_handlers       = &mlx5e_rx_handlers_nic,
 	.max_tc		   = MLX5E_MAX_NUM_TC,
 	.rq_groups	   = MLX5E_NUM_RQ_GROUPS(XSK),
 	.stats_grps	   = mlx5e_nic_stats_grps,

drivers/net/ethernet/mellanox/mlx5/core/en_rep.c

@@ -1143,8 +1143,7 @@ static const struct mlx5e_profile mlx5e_rep_profile = {
 	.enable		        = mlx5e_rep_enable,
 	.update_rx		= mlx5e_update_rep_rx,
 	.update_stats           = mlx5e_update_ndo_stats,
-	.rx_handlers.handle_rx_cqe       = mlx5e_handle_rx_cqe_rep,
-	.rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq_rep,
+	.rx_handlers            = &mlx5e_rx_handlers_rep,
 	.max_tc			= 1,
 	.rq_groups		= MLX5E_NUM_RQ_GROUPS(REGULAR),
 	.stats_grps		= mlx5e_rep_stats_grps,
@@ -1163,8 +1162,7 @@ static const struct mlx5e_profile mlx5e_uplink_rep_profile = {
 	.update_rx		= mlx5e_update_rep_rx,
 	.update_stats           = mlx5e_update_ndo_stats,
 	.update_carrier	        = mlx5e_update_carrier,
-	.rx_handlers.handle_rx_cqe       = mlx5e_handle_rx_cqe_rep,
-	.rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq_rep,
+	.rx_handlers            = &mlx5e_rx_handlers_rep,
 	.max_tc			= MLX5E_MAX_NUM_TC,
 	.rq_groups		= MLX5E_NUM_RQ_GROUPS(REGULAR),
 	.stats_grps		= mlx5e_ul_rep_stats_grps,

drivers/net/ethernet/mellanox/mlx5/core/en_rep.h

@@ -41,6 +41,8 @@
 #include "lib/port_tun.h"
 
 #ifdef CONFIG_MLX5_ESWITCH
+extern const struct mlx5e_rx_handlers mlx5e_rx_handlers_rep;
+
 struct mlx5e_neigh_update_table {
 	struct rhashtable       neigh_ht;
 	/* Save the neigh hash entries in a list in addition to the hash table
@@ -223,10 +225,6 @@ bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv);
 int mlx5e_add_sqs_fwd_rules(struct mlx5e_priv *priv);
 void mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv *priv);
 
-void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
-void mlx5e_handle_rx_cqe_mpwrq_rep(struct mlx5e_rq *rq,
-				   struct mlx5_cqe64 *cqe);
-
 void mlx5e_rep_queue_neigh_stats_work(struct mlx5e_priv *priv);
 
 bool mlx5e_eswitch_vf_rep(struct net_device *netdev);

drivers/net/ethernet/mellanox/mlx5/core/en_rx.c

@@ -44,12 +44,29 @@
 #include "en_rep.h"
 #include "en/rep/tc.h"
 #include "ipoib/ipoib.h"
+#include "accel/ipsec.h"
+#include "fpga/ipsec.h"
 #include "en_accel/ipsec_rxtx.h"
 #include "en_accel/tls_rxtx.h"
 #include "lib/clock.h"
 #include "en/xdp.h"
 #include "en/xsk/rx.h"
 #include "en/health.h"
+#include "en/params.h"
+
+static struct sk_buff *
+mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
+				u16 cqe_bcnt, u32 head_offset, u32 page_idx);
+static struct sk_buff *
+mlx5e_skb_from_cqe_mpwrq_nonlinear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
+				   u16 cqe_bcnt, u32 head_offset, u32 page_idx);
+static void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
+static void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
+
+const struct mlx5e_rx_handlers mlx5e_rx_handlers_nic = {
+	.handle_rx_cqe       = mlx5e_handle_rx_cqe,
+	.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq,
+};
 
 static inline bool mlx5e_rx_hw_stamp(struct hwtstamp_config *config)
 {
@@ -370,7 +387,7 @@ static inline void mlx5e_free_rx_wqe(struct mlx5e_rq *rq,
 		mlx5e_put_rx_frag(rq, wi, recycle);
 }
 
-void mlx5e_dealloc_rx_wqe(struct mlx5e_rq *rq, u16 ix)
+static void mlx5e_dealloc_rx_wqe(struct mlx5e_rq *rq, u16 ix)
 {
 	struct mlx5e_wqe_frag_info *wi = get_frag(rq, ix);
 
@@ -537,7 +554,7 @@ static int mlx5e_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix)
 	return err;
 }
 
-void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix)
+static void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix)
 {
 	struct mlx5e_mpw_info *wi = &rq->mpwqe.info[ix];
 	/* Don't recycle, this function is called on rq/netdev close */
@@ -1106,7 +1123,7 @@ static void mlx5e_fill_xdp_buff(struct mlx5e_rq *rq, void *va, u16 headroom,
 	xdp->frame_sz = rq->buff.frame0_sz;
 }
 
-struct sk_buff *
+static struct sk_buff *
 mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
 			  struct mlx5e_wqe_frag_info *wi, u32 cqe_bcnt)
 {
@@ -1146,7 +1163,7 @@ mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
 	return skb;
 }
 
-struct sk_buff *
+static struct sk_buff *
 mlx5e_skb_from_cqe_nonlinear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
 			     struct mlx5e_wqe_frag_info *wi, u32 cqe_bcnt)
 {
@@ -1201,7 +1218,7 @@ static void trigger_report(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
 	}
 }
 
-void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
+static void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
 {
 	struct mlx5_wq_cyc *wq = &rq->wqe.wq;
 	struct mlx5e_wqe_frag_info *wi;
@@ -1244,7 +1261,7 @@ void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
 }
 
 #ifdef CONFIG_MLX5_ESWITCH
-void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
+static void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
 {
 	struct net_device *netdev = rq->netdev;
 	struct mlx5e_priv *priv = netdev_priv(netdev);
@@ -1299,8 +1316,7 @@ void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
 	mlx5_wq_cyc_pop(wq);
 }
 
-void mlx5e_handle_rx_cqe_mpwrq_rep(struct mlx5e_rq *rq,
-				   struct mlx5_cqe64 *cqe)
+static void mlx5e_handle_rx_cqe_mpwrq_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
 {
 	u16 cstrides       = mpwrq_get_cqe_consumed_strides(cqe);
 	u16 wqe_id         = be16_to_cpu(cqe->wqe_id);
@@ -1358,9 +1374,14 @@ void mlx5e_handle_rx_cqe_mpwrq_rep(struct mlx5e_rq *rq,
 	mlx5e_free_rx_mpwqe(rq, wi, true);
 	mlx5_wq_ll_pop(wq, cqe->wqe_id, &wqe->next.next_wqe_index);
 }
+
+const struct mlx5e_rx_handlers mlx5e_rx_handlers_rep = {
+	.handle_rx_cqe       = mlx5e_handle_rx_cqe_rep,
+	.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq_rep,
+};
 #endif
 
-struct sk_buff *
+static struct sk_buff *
 mlx5e_skb_from_cqe_mpwrq_nonlinear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
 				   u16 cqe_bcnt, u32 head_offset, u32 page_idx)
 {
@@ -1406,7 +1427,7 @@ mlx5e_skb_from_cqe_mpwrq_nonlinear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *w
 	return skb;
 }
 
-struct sk_buff *
+static struct sk_buff *
 mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
 				u16 cqe_bcnt, u32 head_offset, u32 page_idx)
 {
@@ -1456,7 +1477,7 @@ mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
 	return skb;
 }
 
-void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
+static void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
 {
 	u16 cstrides       = mpwrq_get_cqe_consumed_strides(cqe);
 	u16 wqe_id         = be16_to_cpu(cqe->wqe_id);
@@ -1652,7 +1673,7 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq,
 	stats->bytes += cqe_bcnt;
 }
 
-void mlx5i_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
+static void mlx5i_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
 {
 	struct mlx5_wq_cyc *wq = &rq->wqe.wq;
 	struct mlx5e_wqe_frag_info *wi;
@@ -1688,11 +1709,15 @@ void mlx5i_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
 	mlx5_wq_cyc_pop(wq);
 }
 
+const struct mlx5e_rx_handlers mlx5i_rx_handlers = {
+	.handle_rx_cqe       = mlx5i_handle_rx_cqe,
+	.handle_rx_cqe_mpwqe = NULL, /* Not supported */
+};
 #endif /* CONFIG_MLX5_CORE_IPOIB */
 
 #ifdef CONFIG_MLX5_EN_IPSEC
 
-void mlx5e_ipsec_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
+static void mlx5e_ipsec_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
 {
 	struct mlx5_wq_cyc *wq = &rq->wqe.wq;
 	struct mlx5e_wqe_frag_info *wi;
@@ -1729,3 +1754,55 @@ void mlx5e_ipsec_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
 }
 
 #endif /* CONFIG_MLX5_EN_IPSEC */
+
+int mlx5e_rq_set_handlers(struct mlx5e_rq *rq, struct mlx5e_params *params, bool xsk)
+{
+	struct mlx5_core_dev *mdev = rq->mdev;
+	struct mlx5e_channel *c = rq->channel;
+
+	switch (rq->wq_type) {
+	case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
+		rq->mpwqe.skb_from_cqe_mpwrq = xsk ?
+			mlx5e_xsk_skb_from_cqe_mpwrq_linear :
+			mlx5e_rx_mpwqe_is_linear_skb(mdev, params, NULL) ?
+				mlx5e_skb_from_cqe_mpwrq_linear :
+				mlx5e_skb_from_cqe_mpwrq_nonlinear;
+		rq->post_wqes = mlx5e_post_rx_mpwqes;
+		rq->dealloc_wqe = mlx5e_dealloc_rx_mpwqe;
+
+		rq->handle_rx_cqe = c->priv->profile->rx_handlers->handle_rx_cqe_mpwqe;
+#ifdef CONFIG_MLX5_EN_IPSEC
+		if (MLX5_IPSEC_DEV(mdev)) {
+			netdev_err(c->netdev, "MPWQE RQ with IPSec offload not supported\n");
+			return -EINVAL;
+		}
+#endif
+		if (!rq->handle_rx_cqe) {
+			netdev_err(c->netdev, "RX handler of MPWQE RQ is not set\n");
+			return -EINVAL;
+		}
+		break;
+	default: /* MLX5_WQ_TYPE_CYCLIC */
+		rq->wqe.skb_from_cqe = xsk ?
+			mlx5e_xsk_skb_from_cqe_linear :
+			mlx5e_rx_is_linear_skb(params, NULL) ?
+				mlx5e_skb_from_cqe_linear :
+				mlx5e_skb_from_cqe_nonlinear;
+		rq->post_wqes = mlx5e_post_rx_wqes;
+		rq->dealloc_wqe = mlx5e_dealloc_rx_wqe;
+
+#ifdef CONFIG_MLX5_EN_IPSEC
+		if ((mlx5_fpga_ipsec_device_caps(mdev) & MLX5_ACCEL_IPSEC_CAP_DEVICE) &&
+		    c->priv->ipsec)
+			rq->handle_rx_cqe = mlx5e_ipsec_handle_rx_cqe;
+		else
+#endif
+			rq->handle_rx_cqe = c->priv->profile->rx_handlers->handle_rx_cqe;
+		if (!rq->handle_rx_cqe) {
+			netdev_err(c->netdev, "RX handler of RQ is not set\n");
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}

drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c

@@ -464,8 +464,7 @@ static const struct mlx5e_profile mlx5i_nic_profile = {
 	.update_rx	   = mlx5i_update_nic_rx,
 	.update_stats	   = NULL, /* mlx5i_update_stats */
 	.update_carrier    = NULL, /* no HW update in IB link */
-	.rx_handlers.handle_rx_cqe       = mlx5i_handle_rx_cqe,
-	.rx_handlers.handle_rx_cqe_mpwqe = NULL, /* Not supported */
+	.rx_handlers       = &mlx5i_rx_handlers,
 	.max_tc		   = MLX5I_MAX_NUM_TC,
 	.rq_groups	   = MLX5E_NUM_RQ_GROUPS(REGULAR),
 	.stats_grps        = mlx5i_stats_grps,

drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h

@@ -42,6 +42,7 @@
 
 extern const struct ethtool_ops mlx5i_ethtool_ops;
 extern const struct ethtool_ops mlx5i_pkey_ethtool_ops;
+extern const struct mlx5e_rx_handlers mlx5i_rx_handlers;
 
 #define MLX5_IB_GRH_BYTES       40
 #define MLX5_IPOIB_ENCAP_LEN    4
@@ -117,7 +118,6 @@ struct mlx5i_tx_wqe {
 
 void mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
 		   struct mlx5_av *av, u32 dqpn, u32 dqkey, bool xmit_more);
-void mlx5i_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
 void mlx5i_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats);
 
 #endif /* CONFIG_MLX5_CORE_IPOIB */

drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c

@@ -349,8 +349,7 @@ static const struct mlx5e_profile mlx5i_pkey_nic_profile = {
 	.disable	   = NULL,
 	.update_rx	   = mlx5i_update_nic_rx,
 	.update_stats	   = NULL,
-	.rx_handlers.handle_rx_cqe       = mlx5i_handle_rx_cqe,
-	.rx_handlers.handle_rx_cqe_mpwqe = NULL, /* Not supported */
+	.rx_handlers       = &mlx5i_rx_handlers,
 	.max_tc		   = MLX5I_MAX_NUM_TC,
 	.rq_groups	   = MLX5E_NUM_RQ_GROUPS(REGULAR),
 };