diff options
Diffstat (limited to 'target/linux/generic/patches-2.6.37/053-solos-vccs_release.patch')
| -rw-r--r-- | target/linux/generic/patches-2.6.37/053-solos-vccs_release.patch | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/target/linux/generic/patches-2.6.37/053-solos-vccs_release.patch b/target/linux/generic/patches-2.6.37/053-solos-vccs_release.patch new file mode 100644 index 0000000000..409c43c19b --- /dev/null +++ b/target/linux/generic/patches-2.6.37/053-solos-vccs_release.patch @@ -0,0 +1,100 @@ +commit c031235b395433350f25943b7580a5e343c7b7b2 +Author: Philip A. Prindeville <philipp@redfish-solutions.com> +Date: Wed Mar 30 13:17:04 2011 +0000 + + atm/solos-pci: Don't flap VCs when carrier state changes + + Don't flap VCs when carrier state changes; higher-level protocols + can detect loss of connectivity and act accordingly. This is more + consistent with how other network interfaces work. + + We no longer use release_vccs() so we can delete it. + + release_vccs() was duplicated from net/atm/common.c; make the + corresponding function exported, since other code duplicates it + and could leverage it if it were public. + + Signed-off-by: Philip A. Prindeville <philipp@redfish-solutions.com> + Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/atm/solos-pci.c | 26 +------------------------- + include/linux/atmdev.h | 1 + + net/atm/common.c | 1 + + 3 files changed, 3 insertions(+), 25 deletions(-) + +--- a/drivers/atm/solos-pci.c ++++ b/drivers/atm/solos-pci.c +@@ -165,7 +165,6 @@ static uint32_t fpga_tx(struct solos_car + static irqreturn_t solos_irq(int irq, void *dev_id); + static struct atm_vcc* find_vcc(struct atm_dev *dev, short vpi, int vci); + static int list_vccs(int vci); +-static void release_vccs(struct atm_dev *dev); + static int atm_init(struct solos_card *, struct device *); + static void atm_remove(struct solos_card *); + static int send_command(struct solos_card *card, int dev, const char *buf, size_t size); +@@ -384,7 +383,6 @@ static int process_status(struct solos_c + /* Anything but 'Showtime' is down */ + if (strcmp(state_str, "Showtime")) { + atm_dev_signal_change(card->atmdev[port], ATM_PHY_SIG_LOST); +- release_vccs(card->atmdev[port]); + dev_info(&card->dev->dev, "Port %d: %s\n", port, state_str); + return 0; + } +@@ -830,28 +828,6 @@ static int list_vccs(int vci) + return num_found; + } + +-static void release_vccs(struct atm_dev *dev) +-{ +- int i; +- +- write_lock_irq(&vcc_sklist_lock); +- for (i = 0; i < VCC_HTABLE_SIZE; i++) { +- struct hlist_head *head = &vcc_hash[i]; +- struct hlist_node *node, *tmp; +- struct sock *s; +- struct atm_vcc *vcc; +- +- sk_for_each_safe(s, node, tmp, head) { +- vcc = atm_sk(s); +- if (vcc->dev == dev) { +- vcc_release_async(vcc, -EPIPE); +- sk_del_node_init(s); +- } +- } +- } +- write_unlock_irq(&vcc_sklist_lock); +-} +- + + static int popen(struct atm_vcc *vcc) + { +@@ -1269,7 +1245,7 @@ static int atm_init(struct solos_card *c + card->atmdev[i]->ci_range.vci_bits = 16; + card->atmdev[i]->dev_data = card; + card->atmdev[i]->phy_data = (void *)(unsigned long)i; +- atm_dev_signal_change(card->atmdev[i], ATM_PHY_SIG_UNKNOWN); ++ atm_dev_signal_change(card->atmdev[i], ATM_PHY_SIG_FOUND); + + skb = alloc_skb(sizeof(*header), GFP_ATOMIC); + if (!skb) { +--- a/include/linux/atmdev.h ++++ b/include/linux/atmdev.h +@@ -443,6 +443,7 @@ void atm_dev_signal_change(struct atm_de + + void vcc_insert_socket(struct sock *sk); + ++void atm_dev_release_vccs(struct atm_dev *dev); + + /* + * This is approximately the algorithm used by alloc_skb. +--- a/net/atm/common.c ++++ b/net/atm/common.c +@@ -252,6 +252,7 @@ void atm_dev_release_vccs(struct atm_dev + } + write_unlock_irq(&vcc_sklist_lock); + } ++EXPORT_SYMBOL(atm_dev_release_vccs); + + static int adjust_tp(struct atm_trafprm *tp, unsigned char aal) + { |