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sfc: Fix maximum array sizes for various MCDI commands 

The maximum array sizes have been calculated on the basis of a maximum
SDU size of 255 bytes, whereas the actual maximum is 252 bytes.
Constructing a larger SDU will result in a BUG_ON in efx_mcdi_copyin.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2012-09-19 02:46:37 +01:00
parent c3cba721f1
commit 576eda8b08
1 changed files with 14 additions and 14 deletions
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28
drivers/net/ethernet/sfc/mcdi_pcol.h
View File

@ -491,12 +491,12 @@
/* MC_CMD_GET_FPGAREG_OUT msgresponse */
#define MC_CMD_GET_FPGAREG_OUT_LENMIN 1
#define MC_CMD_GET_FPGAREG_OUT_LENMAX 255
#define MC_CMD_GET_FPGAREG_OUT_LENMAX 252
#define MC_CMD_GET_FPGAREG_OUT_LEN(num) (0+1*(num))
#define MC_CMD_GET_FPGAREG_OUT_BUFFER_OFST 0
#define MC_CMD_GET_FPGAREG_OUT_BUFFER_LEN 1
#define MC_CMD_GET_FPGAREG_OUT_BUFFER_MINNUM 1
#define MC_CMD_GET_FPGAREG_OUT_BUFFER_MAXNUM 255
#define MC_CMD_GET_FPGAREG_OUT_BUFFER_MAXNUM 252
/***********************************/
@ -507,13 +507,13 @@
/* MC_CMD_PUT_FPGAREG_IN msgrequest */
#define MC_CMD_PUT_FPGAREG_IN_LENMIN 5
#define MC_CMD_PUT_FPGAREG_IN_LENMAX 255
#define MC_CMD_PUT_FPGAREG_IN_LENMAX 252
#define MC_CMD_PUT_FPGAREG_IN_LEN(num) (4+1*(num))
#define MC_CMD_PUT_FPGAREG_IN_ADDR_OFST 0
#define MC_CMD_PUT_FPGAREG_IN_BUFFER_OFST 4
#define MC_CMD_PUT_FPGAREG_IN_BUFFER_LEN 1
#define MC_CMD_PUT_FPGAREG_IN_BUFFER_MINNUM 1
#define MC_CMD_PUT_FPGAREG_IN_BUFFER_MAXNUM 251
#define MC_CMD_PUT_FPGAREG_IN_BUFFER_MAXNUM 248
/* MC_CMD_PUT_FPGAREG_OUT msgresponse */
#define MC_CMD_PUT_FPGAREG_OUT_LEN 0
@ -560,7 +560,7 @@
/* MC_CMD_PTP_IN_TRANSMIT msgrequest */
#define MC_CMD_PTP_IN_TRANSMIT_LENMIN 13
#define MC_CMD_PTP_IN_TRANSMIT_LENMAX 255
#define MC_CMD_PTP_IN_TRANSMIT_LENMAX 252
#define MC_CMD_PTP_IN_TRANSMIT_LEN(num) (12+1*(num))
/* MC_CMD_PTP_IN_CMD_OFST 0 */
/* MC_CMD_PTP_IN_PERIPH_ID_OFST 4 */
@ -568,7 +568,7 @@
#define MC_CMD_PTP_IN_TRANSMIT_PACKET_OFST 12
#define MC_CMD_PTP_IN_TRANSMIT_PACKET_LEN 1
#define MC_CMD_PTP_IN_TRANSMIT_PACKET_MINNUM 1
#define MC_CMD_PTP_IN_TRANSMIT_PACKET_MAXNUM 243
#define MC_CMD_PTP_IN_TRANSMIT_PACKET_MAXNUM 240
/* MC_CMD_PTP_IN_READ_NIC_TIME msgrequest */
#define MC_CMD_PTP_IN_READ_NIC_TIME_LEN 8
@ -1145,7 +1145,7 @@
/* MC_CMD_PUTS_IN msgrequest */
#define MC_CMD_PUTS_IN_LENMIN 13
#define MC_CMD_PUTS_IN_LENMAX 255
#define MC_CMD_PUTS_IN_LENMAX 252
#define MC_CMD_PUTS_IN_LEN(num) (12+1*(num))
#define MC_CMD_PUTS_IN_DEST_OFST 0
#define MC_CMD_PUTS_IN_UART_LBN 0
@ -1157,7 +1157,7 @@
#define MC_CMD_PUTS_IN_STRING_OFST 12
#define MC_CMD_PUTS_IN_STRING_LEN 1
#define MC_CMD_PUTS_IN_STRING_MINNUM 1
#define MC_CMD_PUTS_IN_STRING_MAXNUM 243
#define MC_CMD_PUTS_IN_STRING_MAXNUM 240
/* MC_CMD_PUTS_OUT msgresponse */
#define MC_CMD_PUTS_OUT_LEN 0
@ -1947,12 +1947,12 @@
/* MC_CMD_NVRAM_READ_OUT msgresponse */
#define MC_CMD_NVRAM_READ_OUT_LENMIN 1
#define MC_CMD_NVRAM_READ_OUT_LENMAX 255
#define MC_CMD_NVRAM_READ_OUT_LENMAX 252
#define MC_CMD_NVRAM_READ_OUT_LEN(num) (0+1*(num))
#define MC_CMD_NVRAM_READ_OUT_READ_BUFFER_OFST 0
#define MC_CMD_NVRAM_READ_OUT_READ_BUFFER_LEN 1
#define MC_CMD_NVRAM_READ_OUT_READ_BUFFER_MINNUM 1
#define MC_CMD_NVRAM_READ_OUT_READ_BUFFER_MAXNUM 255
#define MC_CMD_NVRAM_READ_OUT_READ_BUFFER_MAXNUM 252
/***********************************/
@ -1963,7 +1963,7 @@
/* MC_CMD_NVRAM_WRITE_IN msgrequest */
#define MC_CMD_NVRAM_WRITE_IN_LENMIN 13
#define MC_CMD_NVRAM_WRITE_IN_LENMAX 255
#define MC_CMD_NVRAM_WRITE_IN_LENMAX 252
#define MC_CMD_NVRAM_WRITE_IN_LEN(num) (12+1*(num))
#define MC_CMD_NVRAM_WRITE_IN_TYPE_OFST 0
/* Enum values, see field(s): */
@ -1973,7 +1973,7 @@
#define MC_CMD_NVRAM_WRITE_IN_WRITE_BUFFER_OFST 12
#define MC_CMD_NVRAM_WRITE_IN_WRITE_BUFFER_LEN 1
#define MC_CMD_NVRAM_WRITE_IN_WRITE_BUFFER_MINNUM 1
#define MC_CMD_NVRAM_WRITE_IN_WRITE_BUFFER_MAXNUM 243
#define MC_CMD_NVRAM_WRITE_IN_WRITE_BUFFER_MAXNUM 240
/* MC_CMD_NVRAM_WRITE_OUT msgresponse */
#define MC_CMD_NVRAM_WRITE_OUT_LEN 0
@ -2305,13 +2305,13 @@
/* MC_CMD_GET_PHY_MEDIA_INFO_OUT msgresponse */
#define MC_CMD_GET_PHY_MEDIA_INFO_OUT_LENMIN 5
#define MC_CMD_GET_PHY_MEDIA_INFO_OUT_LENMAX 255
#define MC_CMD_GET_PHY_MEDIA_INFO_OUT_LENMAX 252
#define MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(num) (4+1*(num))
#define MC_CMD_GET_PHY_MEDIA_INFO_OUT_DATALEN_OFST 0
#define MC_CMD_GET_PHY_MEDIA_INFO_OUT_DATA_OFST 4
#define MC_CMD_GET_PHY_MEDIA_INFO_OUT_DATA_LEN 1
#define MC_CMD_GET_PHY_MEDIA_INFO_OUT_DATA_MINNUM 1
#define MC_CMD_GET_PHY_MEDIA_INFO_OUT_DATA_MAXNUM 251
#define MC_CMD_GET_PHY_MEDIA_INFO_OUT_DATA_MAXNUM 248
/***********************************/