linux/drivers/infiniband/sw/rxe/rxe_recv.c

// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
 * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
 * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
 */

#include <linux/skbuff.h>

#include "rxe.h"
#include "rxe_loc.h"

/* check that QP matches packet opcode type and is in a valid state */
static int check_type_state(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
			    struct rxe_qp *qp)
{ … }

static void set_bad_pkey_cntr(struct rxe_port *port)
{ … }

static void set_qkey_viol_cntr(struct rxe_port *port)
{ … }

static int check_keys(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
		      u32 qpn, struct rxe_qp *qp)
{ … }

static int check_addr(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
		      struct rxe_qp *qp)
{ … }

static int hdr_check(struct rxe_pkt_info *pkt)
{ … }

static inline void rxe_rcv_pkt(struct rxe_pkt_info *pkt, struct sk_buff *skb)
{ … }

static void rxe_rcv_mcast_pkt(struct rxe_dev *rxe, struct sk_buff *skb)
{ … }

/**
 * rxe_chk_dgid - validate destination IP address
 * @rxe: rxe device that received packet
 * @skb: the received packet buffer
 *
 * Accept any loopback packets
 * Extract IP address from packet and
 * Accept if multicast packet
 * Accept if matches an SGID table entry
 */
static int rxe_chk_dgid(struct rxe_dev *rxe, struct sk_buff *skb)
{ … }

/* rxe_rcv is called from the interface driver */
void rxe_rcv(struct sk_buff *skb)
{ … }