[PATCH v2 8/9] RDMA/rxe: Add kernel-doc comments to rxe_icrc.c
From: Bob Pearson <hidden>
Date: 2021-07-07 04:01:55
Subsystem:
infiniband subsystem, soft-roce driver (rxe), the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Zhu Yanjun, Linus Torvalds
This patch adds kernel-doc style comments to rxe_icrc.c Signed-off-by: Bob Pearson <redacted> --- drivers/infiniband/sw/rxe/rxe_icrc.c | 32 +++++++++++++++++++++++++--- 1 file changed, 29 insertions(+), 3 deletions(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_icrc.c b/drivers/infiniband/sw/rxe/rxe_icrc.c
index 62bcdfc8e96a..4473d38c171f 100644
--- a/drivers/infiniband/sw/rxe/rxe_icrc.c
+++ b/drivers/infiniband/sw/rxe/rxe_icrc.c@@ -9,6 +9,12 @@ #include "rxe.h" #include "rxe_loc.h" +/** + * rxe_icrc_init() - Initialize crypto function for computing crc32 + * @rxe: rdma_rxe device object + * + * Return: 0 on success else an error + */ int rxe_icrc_init(struct rxe_dev *rxe) { struct crypto_shash *tfm;
@@ -25,6 +31,15 @@ int rxe_icrc_init(struct rxe_dev *rxe) return 0; } +/** + * rxe_crc32() - Compute cumulative crc32 for a contiguous segment + * @rxe: rdma_rxe device object + * @crc: starting crc32 value from previous segments + * @next: starting address of current segment + * @len: length of current segment + * + * Return: the cumulative crc32 checksum + */ static u32 rxe_crc32(struct rxe_dev *rxe, u32 crc, void *next, size_t len) { u32 icrc;
@@ -46,7 +61,14 @@ static u32 rxe_crc32(struct rxe_dev *rxe, u32 crc, void *next, size_t len) return icrc; } -/* Compute a partial ICRC for all the IB transport headers. */ +/** + * rxe_icrc_hdr() - Compute the partial ICRC for the network and transport + * headers of a packet. + * @skb: packet buffer + * @pkt: packet information + * + * Return: the partial ICRC + */ static u32 rxe_icrc_hdr(struct sk_buff *skb, struct rxe_pkt_info *pkt) { unsigned int bth_offset = 0;
@@ -111,7 +133,7 @@ static u32 rxe_icrc_hdr(struct sk_buff *skb, struct rxe_pkt_info *pkt) * rxe_icrc_check() - Compute ICRC for a packet and compare to the ICRC * delivered in the packet. * @skb: packet buffer - * @pkt: packet info + * @pkt: packet information * * Return: 0 if the values match else an error */
@@ -145,7 +167,11 @@ int rxe_icrc_check(struct sk_buff *skb, struct rxe_pkt_info *pkt) return 0; } -/* rxe_icrc_generate- compute ICRC for a packet. */ +/** + * rxe_icrc_generate() - compute ICRC for a packet. + * @skb: packet buffer + * @pkt: packet information + */ void rxe_icrc_generate(struct sk_buff *skb, struct rxe_pkt_info *pkt) { __be32 *icrcp;
--
2.30.2