Move some things around and organize things so that the driver model implementation will fit in more easily.
Signed-off-by: Joe Hershberger joe.hershberger@ni.com ---
Changes in v2: None
include/net.h | 63 +++++++++++++++++++++++++------------------------ net/eth.c | 75 +++++++++++++++++++++++++++++++---------------------------- 2 files changed, 73 insertions(+), 65 deletions(-)
diff --git a/include/net.h b/include/net.h index ff8b7af..7eef9cc 100644 --- a/include/net.h +++ b/include/net.h @@ -100,10 +100,7 @@ struct eth_device { int eth_initialize(bd_t *bis); /* Initialize network subsystem */ int eth_register(struct eth_device *dev);/* Register network device */ int eth_unregister(struct eth_device *dev);/* Remove network device */ -void eth_try_another(int first_restart); /* Change the device */ -void eth_set_current(void); /* set nterface to ethcur var */
-/* get the current device MAC */ extern struct eth_device *eth_current;
static inline __attribute__((always_inline)) @@ -112,6 +109,7 @@ struct eth_device *eth_get_dev(void) return eth_current; }
+/* get the current device MAC */ static inline unsigned char *eth_get_ethaddr(void) { if (eth_current) @@ -119,6 +117,37 @@ static inline unsigned char *eth_get_ethaddr(void) return NULL; }
+/* Set active state */ +static inline __attribute__((always_inline)) int eth_init_state_only(bd_t *bis) +{ + eth_get_dev()->state = ETH_STATE_ACTIVE; + + return 0; +} +/* Set passive state */ +static inline __attribute__((always_inline)) void eth_halt_state_only(void) +{ + eth_get_dev()->state = ETH_STATE_PASSIVE; +} + +/* + * Set the hardware address for an ethernet interface based on 'eth%daddr' + * environment variable (or just 'ethaddr' if eth_number is 0). + * Args: + * base_name - base name for device (normally "eth") + * eth_number - value of %d (0 for first device of this type) + * Returns: + * 0 is success, non-zero is error status from driver. + */ +int eth_write_hwaddr(struct eth_device *dev, const char *base_name, + int eth_number); + +int usb_eth_initialize(bd_t *bi); +#endif + +void eth_try_another(int first_restart); /* Change the device */ +void eth_set_current(void); /* set nterface to ethcur var */ + struct eth_device *eth_get_dev_by_name(const char *devname); struct eth_device *eth_get_dev_by_index(int index); /* get dev @ index */ int eth_get_dev_index(void); /* get the device index */ @@ -138,7 +167,6 @@ int eth_setenv_enetaddr(char *name, const uchar *enetaddr); int eth_getenv_enetaddr_by_index(const char *base_name, int index, uchar *enetaddr);
-int usb_eth_initialize(bd_t *bi); int eth_init(bd_t *bis); /* Initialize the device */ int eth_send(void *packet, int length); /* Send a packet */
@@ -148,32 +176,7 @@ void (*push_packet)(void *packet, int length); #endif int eth_rx(void); /* Check for received packets */ void eth_halt(void); /* stop SCC */ -char *eth_get_name(void); /* get name of current device */ - -/* Set active state */ -static inline __attribute__((always_inline)) int eth_init_state_only(bd_t *bis) -{ - eth_get_dev()->state = ETH_STATE_ACTIVE; - - return 0; -} -/* Set passive state */ -static inline __attribute__((always_inline)) void eth_halt_state_only(void) -{ - eth_get_dev()->state = ETH_STATE_PASSIVE; -} - -/* - * Set the hardware address for an ethernet interface based on 'eth%daddr' - * environment variable (or just 'ethaddr' if eth_number is 0). - * Args: - * base_name - base name for device (normally "eth") - * eth_number - value of %d (0 for first device of this type) - * Returns: - * 0 is success, non-zero is error status from driver. - */ -int eth_write_hwaddr(struct eth_device *dev, const char *base_name, - int eth_number); +const char *eth_get_name(void); /* get name of current device */
#ifdef CONFIG_MCAST_TFTP int eth_mcast_join(IPaddr_t mcast_addr, u8 join); diff --git a/net/eth.c b/net/eth.c index 65e8c77..c02548c 100644 --- a/net/eth.c +++ b/net/eth.c @@ -55,6 +55,14 @@ static inline int eth_setenv_enetaddr_by_index(const char *base_name, int index, return eth_setenv_enetaddr(enetvar, enetaddr); }
+static void eth_env_init(void) +{ + const char *s; + + s = getenv("bootfile"); + if (s != NULL) + copy_filename(BootFile, s, sizeof(BootFile)); +}
static int eth_mac_skip(int index) { @@ -87,6 +95,11 @@ static unsigned int eth_rcv_current, eth_rcv_last; static struct eth_device *eth_devices; struct eth_device *eth_current;
+static void eth_set_current_to_next(void) +{ + eth_current = eth_current->next; +} + struct eth_device *eth_get_dev_by_name(const char *devname) { struct eth_device *dev, *target_dev; @@ -137,22 +150,6 @@ int eth_get_dev_index(void) return eth_current->index; }
-static void eth_current_changed(void) -{ - char *act = getenv("ethact"); - /* update current ethernet name */ - if (eth_current) { - if (act == NULL || strcmp(act, eth_current->name) != 0) - setenv("ethact", eth_current->name); - } - /* - * remove the variable completely if there is no active - * interface - */ - else if (act != NULL) - setenv("ethact", NULL); -} - int eth_write_hwaddr(struct eth_device *dev, const char *base_name, int eth_number) { @@ -251,14 +248,6 @@ int eth_unregister(struct eth_device *dev) return 0; }
-static void eth_env_init(bd_t *bis) -{ - const char *s; - - if ((s = getenv("bootfile")) != NULL) - copy_filename(BootFile, s, sizeof(BootFile)); -} - int eth_initialize(bd_t *bis) { int num_devices = 0; @@ -479,6 +468,22 @@ int eth_receive(void *packet, int length) } #endif /* CONFIG_API */
+static void eth_current_changed(void) +{ + char *act = getenv("ethact"); + /* update current ethernet name */ + if (eth_get_dev()) { + if (act == NULL || strcmp(act, eth_get_name()) != 0) + setenv("ethact", eth_get_name()); + } + /* + * remove the variable completely if there is no active + * interface + */ + else if (act != NULL) + setenv("ethact", NULL); +} + void eth_try_another(int first_restart) { static struct eth_device *first_failed; @@ -492,17 +497,17 @@ void eth_try_another(int first_restart) if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0)) return;
- if (!eth_current) + if (!eth_get_dev()) return;
if (first_restart) - first_failed = eth_current; + first_failed = eth_get_dev();
- eth_current = eth_current->next; + eth_set_current_to_next();
eth_current_changed();
- if (first_failed == eth_current) + if (first_failed == eth_get_dev()) NetRestartWrap = 1; }
@@ -513,7 +518,7 @@ void eth_set_current(void) struct eth_device *old_current; int env_id;
- if (!eth_current) /* XXX no current */ + if (!eth_get_dev()) /* XXX no current */ return;
env_id = get_env_id(); @@ -522,18 +527,18 @@ void eth_set_current(void) env_changed_id = env_id; } if (act != NULL) { - old_current = eth_current; + old_current = eth_get_dev(); do { - if (strcmp(eth_current->name, act) == 0) + if (strcmp(eth_get_name(), act) == 0) return; - eth_current = eth_current->next; - } while (old_current != eth_current); + eth_set_current_to_next(); + } while (old_current != eth_get_dev()); }
eth_current_changed(); }
-char *eth_get_name(void) +const char *eth_get_name(void) { - return eth_current ? eth_current->name : "unknown"; + return eth_get_dev() ? eth_get_dev()->name : "unknown"; }