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PS3: gelic: Allocate the bounce buffer dynamically

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Allocate the bouce buffer for the wireless command dynamically.

Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Masakazu Mokuno 2008-05-30 16:27:24 +09:00 • committed by John W. Linville
parent 82a66bbbe9
commit 13de15e71d
1 changed files with 33 additions and 7 deletions
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40
drivers/net/ps3_gelic_wireless.c
View file

@ -1524,15 +1524,20 @@ static struct iw_statistics *gelic_wl_get_wireless_stats(
struct gelic_eurus_cmd *cmd; struct gelic_eurus_cmd *cmd;
struct iw_statistics *is; struct iw_statistics *is;
struct gelic_eurus_rssi_info *rssi; struct gelic_eurus_rssi_info *rssi;
void *buf;
pr_debug("%s: <-\n", __func__); pr_debug("%s: <-\n", __func__);
buf = (void *)__get_free_page(GFP_KERNEL);
if (!buf)
return NULL;
is = &wl->iwstat; is = &wl->iwstat;
memset(is, 0, sizeof(*is)); memset(is, 0, sizeof(*is));
cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_RSSI_CFG, cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_RSSI_CFG,
wl->buf, sizeof(*rssi)); buf, sizeof(*rssi));
if (cmd && !cmd->status && !cmd->cmd_status) { if (cmd && !cmd->status && !cmd->cmd_status) {
rssi = wl->buf; rssi = buf;
is->qual.level = be16_to_cpu(rssi->rssi); is->qual.level = be16_to_cpu(rssi->rssi);
is->qual.updated = IW_QUAL_LEVEL_UPDATED | is->qual.updated = IW_QUAL_LEVEL_UPDATED |
IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID; IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
@ -1541,6 +1546,7 @@ static struct iw_statistics *gelic_wl_get_wireless_stats(
is->qual.updated = IW_QUAL_ALL_INVALID; is->qual.updated = IW_QUAL_ALL_INVALID;
kfree(cmd); kfree(cmd);
free_page((unsigned long)buf);
pr_debug("%s: ->\n", __func__); pr_debug("%s: ->\n", __func__);
return is; return is;
} }
@ -1607,11 +1613,18 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
union iwreq_data data; union iwreq_data data;
unsigned long this_time = jiffies; unsigned long this_time = jiffies;
unsigned int data_len, i, found, r; unsigned int data_len, i, found, r;
void *buf;
DECLARE_MAC_BUF(mac); DECLARE_MAC_BUF(mac);
pr_debug("%s:start\n", __func__); pr_debug("%s:start\n", __func__);
mutex_lock(&wl->scan_lock); mutex_lock(&wl->scan_lock);
buf = (void *)__get_free_page(GFP_KERNEL);
if (!buf) {
pr_info("%s: scan buffer alloc failed\n", __func__);
goto out;
}
if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) { if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) {
/* /*
* stop() may be called while scanning, ignore result * stop() may be called while scanning, ignore result
@ -1622,7 +1635,7 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
} }
cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_SCAN, cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_SCAN,
wl->buf, PAGE_SIZE); buf, PAGE_SIZE);
if (!cmd || cmd->status || cmd->cmd_status) { if (!cmd || cmd->status || cmd->cmd_status) {
wl->scan_stat = GELIC_WL_SCAN_STAT_INIT; wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
pr_info("%s:cmd failed\n", __func__); pr_info("%s:cmd failed\n", __func__);
@ -1649,7 +1662,7 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
} }
/* put them in the newtork_list */ /* put them in the newtork_list */
for (i = 0, scan_info_size = 0, scan_info = wl->buf; for (i = 0, scan_info_size = 0, scan_info = buf;
scan_info_size < data_len; scan_info_size < data_len;
i++, scan_info_size += be16_to_cpu(scan_info->size), i++, scan_info_size += be16_to_cpu(scan_info->size),
scan_info = (void *)scan_info + be16_to_cpu(scan_info->size)) { scan_info = (void *)scan_info + be16_to_cpu(scan_info->size)) {
@ -1726,6 +1739,7 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data, wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data,
NULL); NULL);
out: out:
free_page((unsigned long)buf);
complete(&wl->scan_done); complete(&wl->scan_done);
mutex_unlock(&wl->scan_lock); mutex_unlock(&wl->scan_lock);
pr_debug("%s:end\n", __func__); pr_debug("%s:end\n", __func__);
@ -1848,7 +1862,10 @@ static int gelic_wl_do_wep_setup(struct gelic_wl_info *wl)
pr_debug("%s: <-\n", __func__); pr_debug("%s: <-\n", __func__);
/* we can assume no one should uses the buffer */ /* we can assume no one should uses the buffer */
wep = wl->buf; wep = (struct gelic_eurus_wep_cfg *)__get_free_page(GFP_KERNEL);
if (!wep)
return -ENOMEM;
memset(wep, 0, sizeof(*wep)); memset(wep, 0, sizeof(*wep));
if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) { if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
@ -1898,6 +1915,7 @@ static int gelic_wl_do_wep_setup(struct gelic_wl_info *wl)
kfree(cmd); kfree(cmd);
out: out:
free_page((unsigned long)wep);
pr_debug("%s: ->\n", __func__); pr_debug("%s: ->\n", __func__);
return ret; return ret;
} }
@ -1941,7 +1959,10 @@ static int gelic_wl_do_wpa_setup(struct gelic_wl_info *wl)
pr_debug("%s: <-\n", __func__); pr_debug("%s: <-\n", __func__);
/* we can assume no one should uses the buffer */ /* we can assume no one should uses the buffer */
wpa = wl->buf; wpa = (struct gelic_eurus_wpa_cfg *)__get_free_page(GFP_KERNEL);
if (!wpa)
return -ENOMEM;
memset(wpa, 0, sizeof(*wpa)); memset(wpa, 0, sizeof(*wpa));
if (!test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat)) if (!test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat))
@ -2000,6 +2021,7 @@ static int gelic_wl_do_wpa_setup(struct gelic_wl_info *wl)
else if (cmd->status || cmd->cmd_status) else if (cmd->status || cmd->cmd_status)
ret = -ENXIO; ret = -ENXIO;
kfree(cmd); kfree(cmd);
free_page((unsigned long)wpa);
pr_debug("%s: --> %d\n", __func__, ret); pr_debug("%s: --> %d\n", __func__, ret);
return ret; return ret;
} }
@ -2018,7 +2040,10 @@ static int gelic_wl_associate_bss(struct gelic_wl_info *wl,
pr_debug("%s: <-\n", __func__); pr_debug("%s: <-\n", __func__);
/* do common config */ /* do common config */
common = wl->buf; common = (struct gelic_eurus_common_cfg *)__get_free_page(GFP_KERNEL);
if (!common)
return -ENOMEM;
memset(common, 0, sizeof(*common)); memset(common, 0, sizeof(*common));
common->bss_type = cpu_to_be16(GELIC_EURUS_BSS_INFRA); common->bss_type = cpu_to_be16(GELIC_EURUS_BSS_INFRA);
common->op_mode = cpu_to_be16(GELIC_EURUS_OPMODE_11BG); common->op_mode = cpu_to_be16(GELIC_EURUS_OPMODE_11BG);
@ -2104,6 +2129,7 @@ static int gelic_wl_associate_bss(struct gelic_wl_info *wl,
pr_info("%s: connected\n", __func__); pr_info("%s: connected\n", __func__);
} }
out: out:
free_page((unsigned long)common);
pr_debug("%s: ->\n", __func__); pr_debug("%s: ->\n", __func__);
return ret; return ret;
} }