Commit b6c6cc4a authored by Bob Pearson's avatar Bob Pearson Committed by Jason Gunthorpe
Browse files

RDMA/rxe: Move rxe_crc32 to a subroutine 

Move rxe_crc32() from rxe.h to rxe_icrc.c as a static local function.

Link: https://lore.kernel.org/r/20210707040040.15434-6-rpearsonhpe@gmail.com


Signed-off-by: default avatarBob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 1117f26e

drivers/infiniband/sw/rxe/rxe.h

+0 −21
Original line number Diff line number Diff line
@@ -42,27 +42,6 @@ 


extern bool rxe_initialized;



static inline u32 rxe_crc32(struct rxe_dev *rxe,

			    u32 crc, void *next, size_t len)

{

	u32 retval;

	int err;



	SHASH_DESC_ON_STACK(shash, rxe->tfm);



	shash->tfm = rxe->tfm;

	*(u32 *)shash_desc_ctx(shash) = crc;

	err = crypto_shash_update(shash, next, len);

	if (unlikely(err)) {

		pr_warn_ratelimited("failed crc calculation, err: %d\n", err);

		return crc32_le(crc, next, len);

	}



	retval = *(u32 *)shash_desc_ctx(shash);

	barrier_data(shash_desc_ctx(shash));

	return retval;

}



void rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu);



int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name);

drivers/infiniband/sw/rxe/rxe_icrc.c

+21 −0
Original line number Diff line number Diff line
@@ -7,6 +7,27 @@ 
#include "rxe.h"

#include "rxe_loc.h"



static u32 rxe_crc32(struct rxe_dev *rxe, u32 crc, void *next, size_t len)

{

	u32 icrc;

	int err;



	SHASH_DESC_ON_STACK(shash, rxe->tfm);



	shash->tfm = rxe->tfm;

	*(u32 *)shash_desc_ctx(shash) = crc;

	err = crypto_shash_update(shash, next, len);

	if (unlikely(err)) {

		pr_warn_ratelimited("failed crc calculation, err: %d\n", err);

		return crc32_le(crc, next, len);

	}



	icrc = *(u32 *)shash_desc_ctx(shash);

	barrier_data(shash_desc_ctx(shash));



	return icrc;

}



/* Compute a partial ICRC for all the IB transport headers. */

u32 rxe_icrc_hdr(struct rxe_pkt_info *pkt, struct sk_buff *skb)

{