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Commit e3f5ec11 authored by Ben Hutchings's avatar Ben Hutchings
Browse files

sfc: Support variable-length response to MCDI GET_BOARD_CFG 



Signed-off-by: default avatarBen Hutchings <bhutchings@solarflare.com>
parent bfeed902

drivers/net/ethernet/sfc/mcdi.c

+4 −2
Original line number Diff line number Diff line
@@ -683,12 +683,14 @@ int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address, 
	if (mac_address)

		memcpy(mac_address, outbuf + offset, ETH_ALEN);

	if (fw_subtype_list) {

		/* Byte-swap and truncate or zero-pad as necessary */

		offset = MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_OFST;

		for (i = 0;

		     i < MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_MINNUM;

		     i < MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_MAXNUM;

		     i++) {

			fw_subtype_list[i] =

				le16_to_cpup((__le16 *)(outbuf + offset));

				(offset + 2 <= outlen) ?

				le16_to_cpup((__le16 *)(outbuf + offset)) : 0;

			offset += 2;

		}

	}

drivers/net/ethernet/sfc/mtd.c

+2 −1
Original line number Diff line number Diff line
@@ -627,7 +627,8 @@ static int siena_mtd_get_fw_subtypes(struct efx_nic *efx, 
				     struct efx_mtd *efx_mtd)

{

	struct efx_mtd_partition *part;

	uint16_t fw_subtype_list[MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_MINNUM];

	uint16_t fw_subtype_list[

		MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_MAXNUM];

	int rc;



	rc = efx_mcdi_get_board_cfg(efx, NULL, fw_subtype_list, NULL);