tipc: Register new media using pre-compiled structure
Speeds up the registration of TIPC media types by passing in a structure
containing the required information, rather than by passing in the various
fields describing the media type individually.
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index e2202de..75af271 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -86,21 +86,8 @@
* Bearers for this media type must be activated separately at a later stage.
*/
-int tipc_register_media(u32 media_type,
- char *name,
- int (*enable)(struct tipc_bearer *),
- void (*disable)(struct tipc_bearer *),
- int (*send_msg)(struct sk_buff *,
- struct tipc_bearer *,
- struct tipc_media_addr *),
- char *(*addr2str)(struct tipc_media_addr *a,
- char *str_buf, int str_size),
- struct tipc_media_addr *bcast_addr,
- const u32 bearer_priority,
- const u32 link_tolerance, /* [ms] */
- const u32 send_window_limit)
+int tipc_register_media(struct media *m_ptr)
{
- struct media *m_ptr;
u32 media_id;
u32 i;
int res = -EINVAL;
@@ -108,62 +95,55 @@
write_lock_bh(&tipc_net_lock);
if (tipc_mode != TIPC_NET_MODE) {
- warn("Media <%s> rejected, not in networked mode yet\n", name);
+ warn("Media <%s> rejected, not in networked mode yet\n",
+ m_ptr->name);
goto exit;
}
- if (!media_name_valid(name)) {
- warn("Media <%s> rejected, illegal name\n", name);
+ if (!media_name_valid(m_ptr->name)) {
+ warn("Media <%s> rejected, illegal name\n", m_ptr->name);
goto exit;
}
- if (!bcast_addr) {
- warn("Media <%s> rejected, no broadcast address\n", name);
+ if (m_ptr->bcast_addr.type != htonl(m_ptr->type_id)) {
+ warn("Media <%s> rejected, illegal broadcast address\n",
+ m_ptr->name);
goto exit;
}
- if ((bearer_priority < TIPC_MIN_LINK_PRI) ||
- (bearer_priority > TIPC_MAX_LINK_PRI)) {
- warn("Media <%s> rejected, illegal priority (%u)\n", name,
- bearer_priority);
+ if ((m_ptr->priority < TIPC_MIN_LINK_PRI) ||
+ (m_ptr->priority > TIPC_MAX_LINK_PRI)) {
+ warn("Media <%s> rejected, illegal priority (%u)\n",
+ m_ptr->name, m_ptr->priority);
goto exit;
}
- if ((link_tolerance < TIPC_MIN_LINK_TOL) ||
- (link_tolerance > TIPC_MAX_LINK_TOL)) {
- warn("Media <%s> rejected, illegal tolerance (%u)\n", name,
- link_tolerance);
+ if ((m_ptr->tolerance < TIPC_MIN_LINK_TOL) ||
+ (m_ptr->tolerance > TIPC_MAX_LINK_TOL)) {
+ warn("Media <%s> rejected, illegal tolerance (%u)\n",
+ m_ptr->name, m_ptr->tolerance);
goto exit;
}
media_id = media_count++;
if (media_id >= MAX_MEDIA) {
- warn("Media <%s> rejected, media limit reached (%u)\n", name,
- MAX_MEDIA);
+ warn("Media <%s> rejected, media limit reached (%u)\n",
+ m_ptr->name, MAX_MEDIA);
media_count--;
goto exit;
}
for (i = 0; i < media_id; i++) {
- if (media_list[i].type_id == media_type) {
- warn("Media <%s> rejected, duplicate type (%u)\n", name,
- media_type);
+ if (media_list[i].type_id == m_ptr->type_id) {
+ warn("Media <%s> rejected, duplicate type (%u)\n",
+ m_ptr->name, m_ptr->type_id);
media_count--;
goto exit;
}
- if (!strcmp(name, media_list[i].name)) {
- warn("Media <%s> rejected, duplicate name\n", name);
+ if (!strcmp(m_ptr->name, media_list[i].name)) {
+ warn("Media <%s> rejected, duplicate name\n",
+ m_ptr->name);
media_count--;
goto exit;
}
}
- m_ptr = &media_list[media_id];
- m_ptr->type_id = media_type;
- m_ptr->send_msg = send_msg;
- m_ptr->enable_bearer = enable;
- m_ptr->disable_bearer = disable;
- m_ptr->addr2str = addr2str;
- memcpy(&m_ptr->bcast_addr, bcast_addr, sizeof(*bcast_addr));
- strcpy(m_ptr->name, name);
- m_ptr->priority = bearer_priority;
- m_ptr->tolerance = link_tolerance;
- m_ptr->window = send_window_limit;
+ media_list[media_id] = *m_ptr;
res = 0;
exit:
write_unlock_bh(&tipc_net_lock);
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index d696f9e..148ed04 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -145,16 +145,7 @@
/*
* TIPC routines available to supported media types
*/
-int tipc_register_media(u32 media_type,
- char *media_name, int (*enable)(struct tipc_bearer *),
- void (*disable)(struct tipc_bearer *),
- int (*send_msg)(struct sk_buff *,
- struct tipc_bearer *, struct tipc_media_addr *),
- char *(*addr2str)(struct tipc_media_addr *a,
- char *str_buf, int str_size),
- struct tipc_media_addr *bcast_addr, const u32 bearer_priority,
- const u32 link_tolerance, /* [ms] */
- const u32 send_window_limit);
+int tipc_register_media(struct media *m_ptr);
void tipc_recv_msg(struct sk_buff *buf, struct tipc_bearer *tb_ptr);
diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c
index e728d4c..15c685b 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -38,9 +38,6 @@
#include "bearer.h"
#define MAX_ETH_BEARERS MAX_BEARERS
-#define ETH_LINK_PRIORITY TIPC_DEF_LINK_PRI
-#define ETH_LINK_TOLERANCE TIPC_DEF_LINK_TOL
-#define ETH_LINK_WINDOW TIPC_DEF_LINK_WIN
/**
* struct eth_bearer - Ethernet bearer data structure
@@ -257,6 +254,24 @@
return str_buf;
}
+/*
+ * Ethernet media registration info
+ */
+
+static struct media eth_media_info = {
+ .send_msg = send_msg,
+ .enable_bearer = enable_bearer,
+ .disable_bearer = disable_bearer,
+ .addr2str = eth_addr2str,
+ .bcast_addr = { htonl(TIPC_MEDIA_TYPE_ETH),
+ { {0xff, 0xff, 0xff, 0xff, 0xff, 0xff} } },
+ .priority = TIPC_DEF_LINK_PRI,
+ .tolerance = TIPC_DEF_LINK_TOL,
+ .window = TIPC_DEF_LINK_WIN,
+ .type_id = TIPC_MEDIA_TYPE_ETH,
+ .name = "eth"
+};
+
/**
* tipc_eth_media_start - activate Ethernet bearer support
*
@@ -266,21 +281,14 @@
int tipc_eth_media_start(void)
{
- struct tipc_media_addr bcast_addr;
int res;
if (eth_started)
return -EINVAL;
- bcast_addr.type = htonl(TIPC_MEDIA_TYPE_ETH);
- memset(&bcast_addr.dev_addr, 0xff, ETH_ALEN);
-
memset(eth_bearers, 0, sizeof(eth_bearers));
- res = tipc_register_media(TIPC_MEDIA_TYPE_ETH, "eth",
- enable_bearer, disable_bearer, send_msg,
- eth_addr2str, &bcast_addr, ETH_LINK_PRIORITY,
- ETH_LINK_TOLERANCE, ETH_LINK_WINDOW);
+ res = tipc_register_media(ð_media_info);
if (res)
return res;