X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;ds=sidebyside;f=15net%2Fnet;h=0a3d40310116f554e0cb9ce0e6e32bfab2c499ac;hb=6fc670e3b167d4e412e44f6fb909df0ad7ff0421;hp=88907c93cc04492e048484680ecf2ce2e0e98170;hpb=ca9630fd6c5da2f223f2086318e6aac0ac00f22a;p=cascardo%2Fkernel%2Fslides%2F.git

diff --git a/15net/net b/15net/net
index 88907c9..0a3d403 100644
--- a/15net/net
+++ b/15net/net
@@ -9,6 +9,7 @@
 * alloc\\_skb(len, gfp)
 * dev\\_alloc\\_skb(len) - uses ATOMIC, reserves PAD
 * netdev\\_alloc\\_skb(netdev, len) - uses ATOMIC, since 2.6.18
+* kfree\\_skb, dev\\_kfree\\_skb
 
 # Diagram
 
@@ -27,7 +28,65 @@
 * skb\\_headroom and skb\\_tailroom
 * skb\\_reserve - only allowed for empty buffer, reserves headroom
 * skb\\_orphan - release it from its socket holder
-	
+
+# Network Device
+
+* include linux/netdevice.h
+* struct net\\_device
+	- char name[]
+	- features
+	- stats
+	- netdev\\_ops
+	- ethtool\\_ops
+	- header\\_ops
+	- flags
+	- mtu
+	- type
+	- hard\\_header\\_len
+
+# Network Device Setup
+
+* alloc\\_netdev(szpriv, name, setup)
+* setup function
+* include linux/etherdevice.h
+* ether\\_setup
+* alloc\\_etherdev
+* register\\_netdev
+* unregister\\_netdev
+* free\\_netdev
+
+# Network Device Operations
+
+* struct net\\_device\\_ops
+* ndo\\_init
+* ndo\\_open
+	- should call netif\\_start\\_queue
+* ndo\\_stop
+	- should call netif\\_stop\\_queue
+
+# Network Device Address
+
+* struct net\\_device
+	- dev\\_addr
+* random\\_ether\\_addr
+* struct net\\_device\\_ops
+	- ndo\\_set\\_mac\\_address
+* eth\\_mac\\_addr
+
+# Transmission
+
+* ndo\\_start\\_xmit
+* called with a held lock
+
+# Limits on transmission
+
+* When TX buffers are full, xmit may call netif\\_stop\\_queue
+* Should arrange to get netif\\_wake\\_queue called after TX buffers are free
+  again
+
+# Transmission timeout
+
+# NAPI
 
 # Changes in net device