Errata for Understanding Linux Network Internals

Add (2) to the right of the icon for Router RT1.

Because of the waste cause by looping ... should be Because of the waste caused by looping ...

___function_name should be __function_name

___function_name should be __function_name

all_multi should be allmulti

One of the directories, listed in the figure reads "kernal", but that should be "kernel".

sysctel_jiffies should be sysctl_jiffies sysctel_local_port_range should be sysctl_local_port_range sysct1_local_port_range should be sysctl_local_port_range

SIOC S DEL DLCI should be SIOC DEL DLCI

module_param(multicast_filter_limit, int 0444); should be module_param(multicast_filter_limit, int, 0444);

request_model should be request_module. Under request_module, arg[i] should be arg[1]. Under /sbin/modprobe, insmod3c59x should be "insmod 3c59x".

prorobe.conf should be modprobe.conf.

prorobe.conf should be modprobe.conf.

However, a few architectures discard it a runtime... should be However, a few architectures discard it at runtime...

In line 2, "habit" should be "habitat".

reference to Figure 8-4 should be 8-5(a)

reference to Figure 8-4 should be 8-5(a)

dev->unit should be dev->uninit "dev->destruct or" should be dev->destructor

The transision [Send notification]-><Any linkwatch event pending on the device> should not be labeled with the word "no."

kevent_wq should be keventd_wq

The second ocurrence of SIOCGMIIREG should be SIOCSMIIREG The first ocurrence of SIOCGMIIRG should be SIOCGMIIREG The second ocurrence of SIOCGMIIRG should be SIOCSMIIREG

8-9 should be 8-8.

8-9 should be 8-8.

"the does" should be "does".

"transmission" should be "execution"

__cpu_raise_softirq should be __raise_softirq_irqoff

"low-latency" should be "low-priority". "high-latency" should be "high-priority".

open should be opened

_LINK_STATE_RX_SCHED should be __LINK_STATE_RX_SCHED

NETROLL should be NETPOLL and Move cpu out of the throttling stats should be Move cpu out of the throttling state

dev->quota should be backlog_dev->quota

refont should be reference count

above should be upper

L4 should be L3

(__LINK_STATE_RX_SCHED)) should be (__LINK_STATE_RX_SCHED)

engress should be egress

netif_x should be netif_rx

In "...and Ethereal are common users of AF_SOCKET sockets.", AF_SOCKET should be AF_PACKET

In "...and Ethereal are common users of AF_SOCKET sockets.", AF_SOCKET should be AF_PACKET

isdiscussed should be is discussed

1534 should be 1536

"The two most significant bits of the first byte..." should read "The two least significant bits of the first byte..."

"The two most significant bits of the first byte..." should read "The two least significant bits of the first byte..."

In the sentence "...from Bridge 1's perspective, Hosts A, B, C and D are all located in LAN2,..." Bridge 1 should be: Bridge 2

In the sentence "...from Bridge 1's perspective, Hosts A, B, C and D are all located in LAN2,..." Bridge 1 should be: Bridge 2

14-8 should be 14-9

Figure 15-7 should be Figure 15-8

old, disabled should be old disabled

Ethernel should be Ethernet

ENGRESS should be EGRESS

E thernet should be Ethernet

...in Chapter 15." should be ...in Chapter 15.

Some checksums cannot only detect errors... should be Some checksums can not only detect errors...

(see the section ?Long-Living IP Peer Information? in Chapter 23. should be (see the section ?Long-Living IP Peer Information? in Chapter 23).

X+S1+S2<+PMTU should be X+S1+S2<=PMTU

dala_len should be data_len

sw_write_queue should be sk_write_queue

MSG_MOER should be MSG_MORE

ip_push_peinding_frames caller should be ip_push_peinding_frame's caller

sk2 should be skb2

Last Recently Used (LRU) should be Least Recently Used (LRU)

both F3 and F4 (which is completely included). should be both F3 (which is completely included) and F4.

base should be basis

Delete the "No" above "Is the Create flag set?", and add a "Yes" below.

IPSTATS_MIX_XXX should be IPSTATS_MIB_XXX

ipfrag_high_tresh should be ipfrag_high_thresh and ipfrag_low_tresh should be ipfrag_low_thresh

skhuff.h should be skbuff.h

The figure also shows that... should be Figure 24-4 also shows that...

traceroute, which needs to plays with... should be traceroute, which needs to play with...

...and the ones used to store... should be ...and the one used to store...

Add: 5. Router RT2 forwards the packet to Host Y.

xlim_allow should be xrlim_allow

Low Warning Message should be Log Warning Message

Delete the "Yes" on the arrow out of [Deliver ICMP to raw IP sockets].

there is one per-ICMP should be there is one per ICMP

CMSA/CD should be CSMA/CD

"Figure 26-12" should be "Figure 26-13".

the section "Final Common Processing in Chapter 28). should be the section "Final Common Processing" in Chapter 28).

NEIGH_UPDATE_ISROUTER Should be NEIGH_UPDATE_F_ISROUTER

NUD_VALUE should be NUD_VALID

Form? should be From?

proxy_len should be proxy_qlen

dst->hh (neigh hh init) should be dst->hh (neigh_hh_init)

AROP_ should be ARPOP_

HostC should be Host C

Delete the final #endif

A2 should be A

accordingly to should be according to

system performances should be system performance

neigh_apps_ns should be neigh_app_ns

RTN_ should be RTM_

RTN_ should be RTM_

...described in . should be ...described in "Updating a Neighbor's Information: neigh_update" in Chapter 27.

...includes a field whose size depends on the protocol (primary_key), should be ...includes a field (primary_key) whose size depends on the protocol,

In the last line of the ip route add command, 10.0.0.2.1 should be 10.0.2.1

The No branch of "Have all next hops been marked DEAD?" is not labeled.

"is" should be "is not".

"any" should be "an".

"indegiven" should be "given".

p_route_output_slow should be ip_route_output_slow.

"where as" should be "whereas".

"options" should be "option".