brcm80211: add endian annotation to packet filter structures
The packet filter structures were byte copied and transferred over the
host bus to the device. As such they are little endian and have been
annotated accordingly.
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
index f58c0eb..951910e 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
@@ -330,14 +330,14 @@
* start matching, the pattern to match, the size of the pattern, and a bitmask
* that indicates which bits within the pattern should be matched.
*/
-struct brcmf_pkt_filter_pattern {
+struct brcmf_pkt_filter_pattern_le {
/*
* Offset within received packet to start pattern matching.
* Offset '0' is the first byte of the ethernet header.
*/
- u32 offset;
+ __le32 offset;
/* Size of the pattern. Bitmask must be the same size.*/
- u32 size_bytes;
+ __le32 size_bytes;
/*
* Variable length mask and pattern data. mask starts at offset 0.
* Pattern immediately follows mask.
@@ -346,19 +346,19 @@
};
/* IOVAR "pkt_filter_add" parameter. Used to install packet filters. */
-struct brcmf_pkt_filter {
- u32 id; /* Unique filter id, specified by app. */
- u32 type; /* Filter type (WL_PKT_FILTER_TYPE_xxx). */
- u32 negate_match; /* Negate the result of filter matches */
+struct brcmf_pkt_filter_le {
+ __le32 id; /* Unique filter id, specified by app. */
+ __le32 type; /* Filter type (WL_PKT_FILTER_TYPE_xxx). */
+ __le32 negate_match; /* Negate the result of filter matches */
union { /* Filter definitions */
- struct brcmf_pkt_filter_pattern pattern; /* Filter pattern */
+ struct brcmf_pkt_filter_pattern_le pattern; /* Filter pattern */
} u;
};
/* IOVAR "pkt_filter_enable" parameter. */
-struct brcmf_pkt_filter_enable {
- u32 id; /* Unique filter id */
- u32 enable; /* Enable/disable bool */
+struct brcmf_pkt_filter_enable_le {
+ __le32 id; /* Unique filter id */
+ __le32 enable; /* Enable/disable bool */
};
/* BSS info structure
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c
index 4075fd7..a43b3da 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c
@@ -36,9 +36,9 @@
#define MSGTRACE_VERSION 1
-#define BRCMF_PKT_FILTER_FIXED_LEN offsetof(struct brcmf_pkt_filter, u)
+#define BRCMF_PKT_FILTER_FIXED_LEN offsetof(struct brcmf_pkt_filter_le, u)
#define BRCMF_PKT_FILTER_PATTERN_FIXED_LEN \
- offsetof(struct brcmf_pkt_filter_pattern, mask_and_pattern)
+ offsetof(struct brcmf_pkt_filter_pattern_le, mask_and_pattern)
#ifdef BCMDBG
static const char brcmf_version[] =
@@ -558,8 +558,9 @@
char *arg_save = NULL, *arg_org = NULL;
int rc;
char buf[128];
- struct brcmf_pkt_filter_enable enable_parm;
- struct brcmf_pkt_filter_enable *pkt_filterp;
+ struct brcmf_pkt_filter_enable_le enable_parm;
+ struct brcmf_pkt_filter_enable_le *pkt_filterp;
+ __le32 mmode_le;
arg_save = kmalloc(strlen(arg) + 1, GFP_ATOMIC);
if (!arg_save)
@@ -582,15 +583,15 @@
buf[str_len] = '\0';
buf_len = str_len + 1;
- pkt_filterp = (struct brcmf_pkt_filter_enable *) (buf + str_len + 1);
+ pkt_filterp = (struct brcmf_pkt_filter_enable_le *) (buf + str_len + 1);
/* Parse packet filter id. */
enable_parm.id = 0;
if (!kstrtoul(argv[i], 0, &res))
- enable_parm.id = (u32)res;
+ enable_parm.id = cpu_to_le32((u32)res);
/* Parse enable/disable value. */
- enable_parm.enable = enable;
+ enable_parm.enable = cpu_to_le32(enable);
buf_len += sizeof(enable_parm);
memcpy((char *)pkt_filterp, &enable_parm, sizeof(enable_parm));
@@ -605,7 +606,8 @@
brcmf_dbg(TRACE, "successfully added pktfilter %s\n", arg);
/* Contorl the master mode */
- brcmu_mkiovar("pkt_filter_mode", (char *)&master_mode, 4, buf,
+ mmode_le = cpu_to_le32(master_mode);
+ brcmu_mkiovar("pkt_filter_mode", (char *)&mmode_le, 4, buf,
sizeof(buf));
rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf,
sizeof(buf));
@@ -621,8 +623,8 @@
void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg)
{
const char *str;
- struct brcmf_pkt_filter pkt_filter;
- struct brcmf_pkt_filter *pkt_filterp;
+ struct brcmf_pkt_filter_le pkt_filter;
+ struct brcmf_pkt_filter_le *pkt_filterp;
unsigned long res;
int buf_len;
int str_len;
@@ -658,12 +660,12 @@
str_len = strlen(str);
buf_len = str_len + 1;
- pkt_filterp = (struct brcmf_pkt_filter *) (buf + str_len + 1);
+ pkt_filterp = (struct brcmf_pkt_filter_le *) (buf + str_len + 1);
/* Parse packet filter id. */
pkt_filter.id = 0;
if (!kstrtoul(argv[i], 0, &res))
- pkt_filter.id = (u32)res;
+ pkt_filter.id = cpu_to_le32((u32)res);
if (NULL == argv[++i]) {
brcmf_dbg(ERROR, "Polarity not provided\n");
@@ -673,7 +675,7 @@
/* Parse filter polarity. */
pkt_filter.negate_match = 0;
if (!kstrtoul(argv[i], 0, &res))
- pkt_filter.negate_match = (u32)res;
+ pkt_filter.negate_match = cpu_to_le32((u32)res);
if (NULL == argv[++i]) {
brcmf_dbg(ERROR, "Filter type not provided\n");
@@ -683,7 +685,7 @@
/* Parse filter type. */
pkt_filter.type = 0;
if (!kstrtoul(argv[i], 0, &res))
- pkt_filter.type = (u32)res;
+ pkt_filter.type = cpu_to_le32((u32)res);
if (NULL == argv[++i]) {
brcmf_dbg(ERROR, "Offset not provided\n");
@@ -693,7 +695,7 @@
/* Parse pattern filter offset. */
pkt_filter.u.pattern.offset = 0;
if (!kstrtoul(argv[i], 0, &res))
- pkt_filter.u.pattern.offset = (u32)res;
+ pkt_filter.u.pattern.offset = cpu_to_le32((u32)res);
if (NULL == argv[++i]) {
brcmf_dbg(ERROR, "Bitmask not provided\n");
@@ -721,7 +723,7 @@
goto fail;
}
- pkt_filter.u.pattern.size_bytes = mask_size;
+ pkt_filter.u.pattern.size_bytes = cpu_to_le32(mask_size);
buf_len += BRCMF_PKT_FILTER_FIXED_LEN;
buf_len += (BRCMF_PKT_FILTER_PATTERN_FIXED_LEN + 2 * mask_size);